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5
windows/client-management/mdm/new-in-windows-mdm-enrollment-management.md
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@ -59,6 +59,7 @@ For details about Microsoft mobile device management protocols for Windows 10 s
- [What is dmwappushsvc?](#what-is-dmwappushsvc)
- **Change history in MDM documentation**
- [June 2020](#june-2020)
- [May 2020](#may-2020)
- [February 2020](#february-2020)
- [January 2020](#january-2020)
@ -1980,6 +1981,10 @@ What data is handled by dmwappushsvc? | It is a component handling the internal
How do I turn if off? | The service can be stopped from the "Services" console on the device (Start > Run > services.msc). However, since this is a component part of the OS and required for the proper functioning of the device, we strongly recommend not to do this. |
## Change history in MDM documentation
### June 2020
|New or updated topic | Description|
|--- | ---|
|[Policy CSP - NetworkIsolation](policy-csp-networkisolation.md)|Updated the description to Integer instead of Boolean for the following policy settings:<br>EnterpriseIPRangesAreAuthoritative, EnterpriseProxyServersAreAuthoritative|
### May 2020
|New or updated topic | Description|

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windows/client-management/mdm/policy-csp-networkisolation.md
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@ -228,7 +228,7 @@ fd00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
<!--/Scope-->
<!--Description-->
Boolean value that tells the client to accept the configured list and not to use heuristics to attempt to find other subnets.
Integer value that tells the client to accept the configured list and not to use heuristics to attempt to find other subnets.
<!--/Description-->
<!--ADMXMapped-->
@ -468,7 +468,7 @@ ADMX Info:
<!--/Scope-->
<!--Description-->
Boolean value that tells the client to accept the configured list of proxies and not try to detect other work proxies.
Integer value that tells the client to accept the configured list of proxies and not try to detect other work proxies.
<!--/Description-->
<!--ADMXMapped-->

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windows/deployment/TOC.yml
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@ -126,7 +126,7 @@
- name: Deploy updates with Configuration Manager
href: update/deploy-updates-configmgr.md
- name: Deploy updates with Intune
href: update/waas-wufb-csp-mdm.md
href: update/deploy-updates-intune.md
- name: Deploy updates with WSUS
href: update/waas-manage-updates-wsus.md
- name: Deploy updates with Group Policy
@ -245,6 +245,8 @@
- name: Delivery Optimization reference
href: update/waas-delivery-optimization-reference.md
- name: Windows 10 in S mode
href: s-mode.md
- name: Switch to Windows 10 Pro or Enterprise from S mode
href: windows-10-pro-in-s-mode.md
- name: Windows 10 deployment tools
items:

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windows/deployment/index.yml
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@ -22,29 +22,35 @@ landingContent:
# Cards and links should be based on top customer tasks or top subjects
# Start card title with a verb
# Card (optional)
- title: Overview
- title: Deploy Windows 10
linkLists:
- linkListType: overview
links:
- text: Windows 10 deployment scenarios
url: windows-10-deployment-scenarios.md
- text: What is Windows as a service?
url: update/waas-overview.md
- text: Types of Windows updates
url: update/waas-quick-start.md#definitions
# Card (optional)
- title: Get started
linkLists:
- linkListType: get-started
links:
- text: Demonstrate Autopilot deployment
url: windows-autopilot/demonstrate-deployment-on-vm.md
- text: Servicing the Windows 10 operating system
url: update/waas-servicing-strategy-windows-10-updates.md
- text: Deploy Windows 10 in a test lab
url: windows-10-poc.md
# Card (optional)
- title: Update Windows 10
linkLists:
- linkListType: overview
links:
- text: What is Windows as a service?
url: update/waas-overview.md
- text: Types of Windows updates
url: update/waas-quick-start.md#definitions
- linkListType: get-started
links:
- text: Servicing the Windows 10 operating system
url: update/waas-servicing-strategy-windows-10-updates.md
# Card (optional)
- title: Deployment planning
linkLists:
@ -52,8 +58,12 @@ landingContent:
links:
- text: Create a deployment plan
url: update/create-deployment-plan.md
- text: Define readiness criteria
url: update/plan-define-readiness.md
- text: Evaluate infrastructure and tools
url: update/eval-infra-tools.md
- text: Determine application readiness
url: update/plan-determine-app-readiness.md
- text: Define your servicing strategy
url: update/waas-servicing-strategy-windows-10-updates.md
@ -62,7 +72,9 @@ landingContent:
linkLists:
- linkListType: how-to-guide
links:
- text: Prepare to deploy Windows 10
- text: Prepare for Zero Touch Installation with Configuration Manager
url: deploy-windows-cm/prepare-for-zero-touch-installation-of-windows-10-with-configuration-manager.md
- text: Prepare to deploy Windows 10 with MDT
url: deploy-windows-mdt/prepare-for-windows-deployment-with-mdt.md
- text: Evaluate and update infrastructure
url: update/update-policies.md
@ -74,21 +86,30 @@ landingContent:
linkLists:
- linkListType: deploy
links:
- text: Deploy Windows 10 with Autopilot
- text: Windows Autopilot scenarios and capabilities
url: windows-autopilot/windows-autopilot-scenarios.md
- text: Deploy Windows 10 to a new device with Configuration Manager
url: deploy-windows-cm/deploy-windows-10-using-pxe-and-configuration-manager.md
- text: Deploy a Windows 10 image using MDT
url: deploy-windows-mdt/deploy-a-windows-10-image-using-mdt.md
- text: Assign devices to servicing channels
url: update/waas-servicing-channels-windows-10-updates.md
- text: Deploy Windows 10 updates
url: update/index.md
url: update/waas-servicing-channels-windows-10-updates.md
- text: Resolve Windows 10 upgrade errors
url: upgrade/resolve-windows-10-upgrade-errors.md
# Card (optional)
- title: Also see
- title: Windows 10 resources
linkLists:
- linkListType: reference
- linkListType: learn
links:
- text: Windows 10 release information
url: https://docs.microsoft.com/en-us/windows/release-information/
url: https://docs.microsoft.com/windows/release-information/
- text: What's new in Windows 10
url: https://docs.microsoft.com/en-us/windows/whats-new/
url: https://docs.microsoft.com/windows/whats-new/
- text: Windows 10 Enterprise Security
url: https://docs.microsoft.com/en-us/windows/security/
url: https://docs.microsoft.com/windows/security/
- text: Desktop Deployment Center
url: https://docs.microsoft.com/microsoft-365/enterprise/desktop-deployment-center-home

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windows/deployment/update/plan-determine-app-readiness.md
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@ -43,7 +43,7 @@ Combining the various validation methods with the app classifications you've pre
|Test in pilot | x | x | x |
## Identify users
### Identify users
Since your organization no doubt has a wide variety of users, each with different background and regular tasks, you'll have to choose which users are best suited for validation testing. Some factors to consider include:
@ -53,7 +53,7 @@ Since your organization no doubt has a wide variety of users, each with differen
You could seek volunteers who enjoy working with new features and include them in the pilot deployment. You might want to avoid using core users like department heads or project managers. Current application owners, operations personnel, and developers can help you identify the most appropriate pilot users.
## Identify and set up devices for validation
### Identify and set up devices for validation
In addition to users, it's important to carefully choose devices to participate in app validation as well. For example, ideally, your selection will include devices representing all of the hardware models in your environment.
@ -64,7 +64,7 @@ There is more than one way to choose devices for app validation:
- **Data-driven analysis**: With appropriate tools, you can use diagnostic data from devices to inform your choices.
## Desktop Analytics
### Desktop Analytics
Desktop Analytics can make all of the tasks discussed in this article significantly easier:

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windows/deployment/update/prepare-deploy-windows.md Normal file
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@ -0,0 +1,158 @@
---
title: Prepare to deploy Windows
description:
keywords: updates, servicing, current, deployment, semi-annual channel, feature, quality, rings, insider, tools
ms.prod: w10
ms.mktglfcycl: manage
author: jaimeo
ms.localizationpriority: medium
ms.author: jaimeo
ms.reviewer:
manager: laurawi
ms.topic: article
---
# Prepare to deploy Windows
Having worked through the activities in the planning phase, you should be in a good position to prepare your environment and process to deploy Windows 10. The planning phase will have left you with these useful items:
- A clear understanding of necessary personnel and their roles and criteria for [rating app readiness](plan-define-readiness.md)
- A plan for [testing and validating](plan-determine-app-readiness.md) apps
- An assessment of your [deployment infrastructure](eval-infra-tools.md) and definitions for operational readiness
- A [deployment plan](create-deployment-plan.md) that defines the rings you want to use
Now you're ready to actually start making changes in your environment to get ready to deploy.
## Prepare infrastructure and environment
- Deploy site server updates for Configuration Manager.
- Update non-Microsoft security tools like security agents or servers.
- Update non-Microsoft management tools like data loss prevention agents.
Your infrastructure probably includes many different components and tools. You’ll need to ensure your environment isn’t affected by issues due to the changes you make to the various parts of the infrastructure. Follow these steps:
1. Review all of the infrastructure changes that you’ve identified in your plan. It’s important to understand the changes that need to be made and to detail how to implement them. This prevents problems later on.
2. Validate your changes. You’ll validate the changes for your infrastructure’s components and tools, to help you understand how your changes could affect your production environment.
3. Implement the changes. Once the changes have been validated, you can implement the changes across the wider infrastructure.
You should also look at your organization’s environment’s configuration and outline how you’ll implement any necessary changes previously identified in the plan phase to support the update. Consider what you’ll need to do for the various settings and policies that currently underpin the environment. For example:
- Implement new draft security guidance. New versions of Windows can include new features that improve your environment’s security. Your security teams will want to make appropriate changes to security related configurations.
- Update security baselines. Security teams understand the relevant security baselines and will have to work to make sure all baselines fit into whatever guidance they have to adhere to.
However, your configuration will consist of many different settings and policies. It’s important to only apply changes where they are necessary, and where you gain a clear improvement. Otherwise, your environment might face issues that will slow down the update process. You want to ensure your environment isn’t affected adversely because of changes you make. For example:
1. Review new security settings. Your security team will review the new security settings, to understand how they can best be set to facilitate the update, and to also investigate the potential effects they might have on your environment.
2. Review security baselines for changes. Security teams will also review all the necessary security baselines, to ensure the changes can be implemented, and ensure your environment remains compliant.
3. Implement and validate security settings and baseline changes. Your security teams will then implement all of the security settings and baselines, having addressed any potential outstanding issues.
## Prepare applications and devices
You've previously decided on which validation methods you want to use to validate apps in the upcoming pilot deployment phase. Now is a good time to make sure that individual devices are ready and able to install the next update without difficulty.
### Ensure updates are available
Enable update services on devices. Ensure that every device is running all the services Windows Update relies on. Sometimes users or even malware can disable the services Windows Update requires to work correctly. Make sure the following services are running:
- Background Intelligent Transfer Service
- Background Tasks Infrastructure Service
- BranchCache (if you use this feature for update deployment)
- ConfigMgr Task Sequence Agent (if you use Configuration Manager to deploy updates)
- Cryptographic Services
- DCOM Server Process Launcher
- Device Install
- Delivery Optimization
- Device Setup Manager
- License Manager
- Microsoft Account Sign-in Assistant
- Microsoft Software Shadow Copy Provider
- Remote Procedure Call (RPC)
- Remote Procedure Call (RPC) Locator
- RPC Endpoint Mapper
- Service Control Manager
- Task Scheduler
- Token Broker
- Update Orchestrator Service
- Volume Shadow Copy Service
- Windows Automatic Update Service
- Windows Backup
- Windows Defender Firewall
- Windows Management Instrumentation
- Windows Management Service
- Windows Module Installer
- Windows Push Notification
- Windows Security Center Service
- Windows Time Service
- Windows Update
- Windows Update Medic Service
You can check these services manually by using Services.msc, or by using PowerShell scripts, Desktop Analytics, or other methods.
### Network configuration
Ensure that devices can reach necessary Windows Update endpoints through the firewall.
### Optimize download bandwidth
Set up [Delivery Optimization](waas-delivery-optimization.md) for peer network sharing or Microsoft Connected Cache.
### Address unhealthy devices
In the course of surveying your device population, either with Desktop Analytics or by some other means, you might find devices that have systemic problems that could interfere with update installation. Now is the time to fix those problems.
- **Low disk space:** Quality updates require a minimum of two GB to successfully install. Feature updates require between 8 and 15 GB depending upon the configuration. On Windows 10, version 1903 and later you can proactively use the "reserved storage" feature (for wipe and loads, rebuilds, and new builds) to avoid running out of disk space. If you find a group of devices that don't have enough disk space, you can often resolve this by cleaning up log files and asking users to clean up data if necessary. A good place to start is to delete the following files:
- C:\Windows\temp
- C:\Windows\cbstemp (though this file might be necessary to investigate update failures)
- C:\Windows\WindowsUpdate.log (though this file might be necessary to investigate update failures)
- C:\Windows.Old (these files should automatically clean up after 10 days or might ask the device user for permission to clean up sooner when constrained for disk space)
You can also create and run scripts to perform additional cleanup actions on devices, with administrative rights, or use Group Policy settings.
- Clean up the Windows Store Cache by running C:\Windows\sytem32\wsreset.exe
- Optimize the WinSxS folder on the client machine by using **Dism.exe /online /Cleanup-Image /StartComponentCleanup**
- Compact the operating system by running **Compact.exe /CompactOS:always**
- Remove Windows Features on Demand that the user doesn't need. See [Features on Demand](https://docs.microsoft.com/windows-hardware/manufacture/desktop/features-on-demand-v2--capabilities) for more guidance.
- Move Windows Known Folders to OneDrive. See [Use Group Policy to control OneDrive sync settings](https://docs.microsoft.com/onedrive/use-group-policy) for more information.
- Clean up the Software Distribution folder. Try deploying these commands as a batch file to run on devices to reset the download state of Windows Updates:
```
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution C:\Windows\SoftwareDistribution.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
```
- **Application and driver updates:** Out-of-date app or driver software can prevent devices from updating successfully. Desktop Analytics will help you identify drivers and applications that need attention. You can also
check for known issues in order to take any appropriate action. Deploy any updates from the vendor(s) for any problematic application or driver versions to resolve issues.
- **Corruption:** In rare circumstances, a device that has repeated installation errors might be corrupted in a way that prevents the system from applying a new update. You might have to repair the Component Based Store from another source. You can do this with the [System File Checker](https://support.microsoft.com/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system).
## Prepare capability
In the plan phase, you determined the specific infrastructure and configuration changes that needed to be implemented to add new capabilities to the environment. Now you can move on to implementing those changes defined in the plan phase. You'll need to complete these higher-level tasks to gain those new capabilities:
- Enable capabilities across the environment by implementing the changes. For example, implement updates to relevant ADMX templates in Active Directory. New Windows versions will come with new policies that you use to update ADMX templates.
- Validate new changes to understand how they affect the wider environment.
- Remediate any potential problems that have been identified through validation.
## Prepare users
Users often feel like they are forced into updating their devices randomly. They often don't fully understand why an update is needed, and they don't know when updates would be applied to their devices ahead of time. It's best to ensure that upcoming updates are communicated clearly and with adequate warning.
You can employ a variety of measures to achieve this, for example:
- Send overview email about the update and how it will be deployed to the entire organization.
- Send personalized emails to users about the update with specific details.
- Set an opt-out deadline for employees that need to remain on the current version for a bit longer, due to a business need.
- Provide the ability to voluntarily update at users’ convenience.
- Inform users of a mandatory installation date when the update will be installed on all devices.

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windows/deployment/update/update-compliance-monitor.md
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@ -1,5 +1,5 @@
---
title: Monitor Windows Updates and Windows Defender AV with Update Compliance (Windows 10)
title: Monitor Windows Updates and Microsoft Defender AV with Update Compliance (Windows 10)
ms.reviewer:
manager: laurawi
description: You can use Update Compliance in Azure Portal to monitor the progress of updates and key antimalware protection features on devices in your network.

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windows/security/threat-protection/microsoft-defender-antivirus/collect-diagnostic-data-update-compliance.md
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@ -1,7 +1,7 @@
---
title: Collect diagnostic data for Update Compliance and Windows Defender Microsoft Defender Antivirus
description: Use a tool to collect data to troubleshoot Update Compliance issues when using the Microsoft Defender Antivirus Assessment add in
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, windows defender av
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, Microsoft Defender AV
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
ms.prod: w10
@ -17,13 +17,13 @@ ms.reviewer:
manager: dansimp
---
# Collect Update Compliance diagnostic data for Windows Defender AV Assessment
# Collect Update Compliance diagnostic data for Microsoft Defender AV Assessment
**Applies to:**
- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
This article describes how to collect diagnostic data that can be used by Microsoft support and engineering teams to help troubleshoot issues you may encounter when using the Windows Defender AV Assessment section in the Update Compliance add-in.
This article describes how to collect diagnostic data that can be used by Microsoft support and engineering teams to help troubleshoot issues you may encounter when using the Microsoft Defender AV Assessment section in the Update Compliance add-in.
Before attempting this process, ensure you have read [Troubleshoot Microsoft Defender Antivirus reporting](troubleshoot-reporting.md), met all require prerequisites, and taken any other suggested troubleshooting steps.

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windows/security/threat-protection/microsoft-defender-antivirus/collect-diagnostic-data.md
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@ -1,7 +1,7 @@
---
title: Collect diagnostic data of Microsoft Defender Antivirus
description: Use a tool to collect data to troubleshoot Microsoft Defender Antivirus
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, windows defender av
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, Microsoft Defender AV
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
ms.prod: w10
@ -17,13 +17,13 @@ ms.reviewer:
manager: dansimp
---
# Collect Windows Defender AV diagnostic data
# Collect Microsoft Defender AV diagnostic data
**Applies to:**
- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
This article describes how to collect diagnostic data that can be used by Microsoft support and engineering teams to help troubleshoot issues you may encounter when using the Windows Defender AV.
This article describes how to collect diagnostic data that can be used by Microsoft support and engineering teams to help troubleshoot issues you may encounter when using the Microsoft Defender AV.
On at least two devices that are experiencing the same issue, obtain the .cab diagnostic file by taking the following steps:

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windows/security/threat-protection/microsoft-defender-antivirus/configuration-management-reference-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Manage Windows Defender in your business
description: Learn how to use Group Policy, Configuration Manager, PowerShell, WMI, Intune, and the command line to manage Windows Defender AV
description: Learn how to use Group Policy, Configuration Manager, PowerShell, WMI, Intune, and the command line to manage Microsoft Defender AV
keywords: group policy, gpo, config manager, sccm, scep, powershell, wmi, intune, defender, antivirus, antimalware, security, protection
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

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windows/security/threat-protection/microsoft-defender-antivirus/configure-advanced-scan-types-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Configure scanning options for Windows Defender AV
description: You can configure Windows Defender AV to scan email storage files, back-up or reparse points, network files, and archived files (such as .zip files).
title: Configure scanning options for Microsoft Defender AV
description: You can configure Microsoft Defender AV to scan email storage files, back-up or reparse points, network files, and archived files (such as .zip files).
keywords: advanced scans, scanning, email, archive, zip, rar, archive, reparse scanning
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

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windows/security/threat-protection/microsoft-defender-antivirus/configure-block-at-first-sight-microsoft-defender-antivirus.md
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@ -34,7 +34,7 @@ You can [specify how long the file should be prevented from running](configure-c
When Microsoft Defender Antivirus encounters a suspicious but undetected file, it queries our cloud protection backend. The cloud backend applies heuristics, machine learning, and automated analysis of the file to determine whether the files are malicious or clean.
Microsoft Defender Antivirus uses multiple detection and prevention technologies to deliver accurate, real-time, and intelligent protection. [Get to know the advanced technologies at the core of Microsoft Defender ATP next generation protection](https://www.microsoft.com/security/blog/2019/06/24/inside-out-get-to-know-the-advanced-technologies-at-the-core-of-microsoft-defender-atp-next-generation-protection/).
![List of Windows Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
![List of Microsoft Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
In Windows 10, version 1803, block at first sight can now block non-portable executable files (such as JS, VBS, or macros) as well as executable files.

2
windows/security/threat-protection/microsoft-defender-antivirus/configure-cloud-block-timeout-period-microsoft-defender-antivirus.md
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@ -1,5 +1,5 @@
---
title: Configure the Windows Defender AV cloud block timeout period
title: Configure the Microsoft Defender AV cloud block timeout period
description: You can configure how long Microsoft Defender Antivirus will block a file from running while waiting for a cloud determination.
keywords: Microsoft Defender Antivirus, antimalware, security, defender, cloud, timeout, block, period, seconds
search.product: eADQiWindows 10XVcnh

4
windows/security/threat-protection/microsoft-defender-antivirus/configure-end-user-interaction-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Configure how users can interact with Windows Defender AV
description: Configure how end-users interact with Windows Defender AV, what notifications they see, and if they can override settings.
title: Configure how users can interact with Microsoft Defender AV
description: Configure how end-users interact with Microsoft Defender AV, what notifications they see, and if they can override settings.
keywords: endpoint, user, interaction, notifications, ui lockdown mode, headless mode, hide interface
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

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windows/security/threat-protection/microsoft-defender-antivirus/configure-exclusions-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Set up exclusions for Windows Defender AV scans
description: You can exclude files (including files modified by specified processes) and folders from being scanned by Windows Defender AV. Validate your exclusions with PowerShell.
title: Set up exclusions for Microsoft Defender AV scans
description: You can exclude files (including files modified by specified processes) and folders from being scanned by Microsoft Defender AV. Validate your exclusions with PowerShell.
keywords:
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

2
windows/security/threat-protection/microsoft-defender-antivirus/configure-extension-file-exclusions-microsoft-defender-antivirus.md
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@ -140,7 +140,7 @@ All files under a folder (including files in subdirectories), or a specific file
>[!IMPORTANT]
>If you have created a list, either with `Set-MpPreference` or `Add-MpPreference`, using the `Set-MpPreference` cmdlet again will overwrite the existing list.
For example, the following code snippet would cause Windows Defender AV scans to exclude any file with the `.test` file extension:
For example, the following code snippet would cause Microsoft Defender AV scans to exclude any file with the `.test` file extension:
```PowerShell
Add-MpPreference -ExclusionExtension ".test"

4
windows/security/threat-protection/microsoft-defender-antivirus/configure-local-policy-overrides-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Configure local overrides for Windows Defender AV settings
description: Enable or disable users from locally changing settings in Windows Defender AV.
title: Configure local overrides for Microsoft Defender AV settings
description: Enable or disable users from locally changing settings in Microsoft Defender AV.
keywords: local override, local policy, group policy, gpo, lockdown,merge, lists
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

2
windows/security/threat-protection/microsoft-defender-antivirus/configure-process-opened-file-exclusions-microsoft-defender-antivirus.md
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@ -101,7 +101,7 @@ Remove items from the list | `Remove-MpPreference`
>[!IMPORTANT]
>If you have created a list, either with `Set-MpPreference` or `Add-MpPreference`, using the `Set-MpPreference` cmdlet again will overwrite the existing list.
For example, the following code snippet would cause Windows Defender AV scans to exclude any file that is opened by the specified process:
For example, the following code snippet would cause Microsoft Defender AV scans to exclude any file that is opened by the specified process:
```PowerShell
Add-MpPreference -ExclusionProcess "c:\internal\test.exe"

2
windows/security/threat-protection/microsoft-defender-antivirus/configure-protection-features-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Enable and configure Microsoft Defender Antivirus protection features
description: Enable behavior-based, heuristic, and real-time protection in Windows Defender AV.
description: Enable behavior-based, heuristic, and real-time protection in Microsoft Defender AV.
keywords: heuristic, machine-learning, behavior monitor, real-time protection, always-on, Microsoft Defender Antivirus, antimalware, security, defender
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

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windows/security/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus.md
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@ -44,7 +44,7 @@ This guide describes how to configure your VMs for optimal protection and perfor
You can also download the whitepaper [Microsoft Defender Antivirus on Virtual Desktop Infrastructure](https://demo.wd.microsoft.com/Content/wdav-testing-vdi-ssu.pdf), which looks at the new shared security intelligence update feature, alongside performance testing and guidance on how you can test antivirus performance on your own VDI.
> [!IMPORTANT]
> Although the VDI can be hosted on Windows Server 2012 or Windows Server 2016, the virtual machines (VMs) should be running Windows 10, 1607 at a minimum, due to increased protection technologies and features that are unavailable in earlier versions of Windows.<br/>There are performance and feature improvements to the way in which Windows Defender AV operates on virtual machines in Windows 10 Insider Preview, build 18323 (and later). We'll identify in this guide if you need to be using an Insider Preview build; if it isn't specified, then the minimum required version for the best protection and performance is Windows 10 1607.
> Although the VDI can be hosted on Windows Server 2012 or Windows Server 2016, the virtual machines (VMs) should be running Windows 10, 1607 at a minimum, due to increased protection technologies and features that are unavailable in earlier versions of Windows.<br/>There are performance and feature improvements to the way in which Microsoft Defender AV operates on virtual machines in Windows 10 Insider Preview, build 18323 (and later). We'll identify in this guide if you need to be using an Insider Preview build; if it isn't specified, then the minimum required version for the best protection and performance is Windows 10 1607.
### Set up a dedicated VDI file share
@ -194,7 +194,7 @@ If you would prefer to do everything manually, this what you would need to do to
Scheduled scans run in addition to [real-time protection and scanning](configure-real-time-protection-microsoft-defender-antivirus.md).
The start time of the scan itself is still based on the scheduled scan policy – ScheduleDay, ScheduleTime, ScheduleQuickScanTime. Randomization will cause Windows Defender AV to start a scan on each machine within a 4 hour window from the time set for the scheduled scan.
The start time of the scan itself is still based on the scheduled scan policy – ScheduleDay, ScheduleTime, ScheduleQuickScanTime. Randomization will cause Microsoft Defender AV to start a scan on each machine within a 4 hour window from the time set for the scheduled scan.
See [Schedule scans](scheduled-catch-up-scans-microsoft-defender-antivirus.md) for other configuration options available for scheduled scans.
@ -219,7 +219,7 @@ Sometimes, Microsoft Defender Antivirus notifications may be sent to or persist
3. Click **OK**.
This prevents notifications from Windows Defender AV appearing in the action center on Windows 10 when scans or remediation is performed.
This prevents notifications from Microsoft Defender AV appearing in the action center on Windows 10 when scans or remediation is performed.
### Disable scans after an update
@ -253,7 +253,7 @@ This forces a scan if the VM has missed two or more consecutive scheduled scans.
2. Click **OK**.
This hides the entire Windows Defender AV user interface from users.
This hides the entire Microsoft Defender AV user interface from users.
### Exclusions

2
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@ -26,7 +26,7 @@ ms.custom: nextgen
> The Microsoft Defender Antivirus cloud service is a mechanism for delivering updated protection to your network and endpoints. Although it is called a cloud service, it is not simply protection for files stored in the cloud; rather, it uses distributed resources and machine learning to deliver protection to your endpoints at a rate that is far faster than traditional Security intelligence updates.
Microsoft Defender Antivirus uses multiple detection and prevention technologies to deliver accurate, real-time, and intelligent protection. [Get to know the advanced technologies at the core of Microsoft Defender ATP next generation protection](https://www.microsoft.com/security/blog/2019/06/24/inside-out-get-to-know-the-advanced-technologies-at-the-core-of-microsoft-defender-atp-next-generation-protection/).
![List of Windows Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
![List of Microsoft Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
You can enable or disable Microsoft Defender Antivirus cloud-delivered protection with Microsoft Intune, Microsoft Endpoint Configuration Manager, Group Policy, PowerShell cmdlets, or on individual clients in the Windows Security app.

4
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@ -37,7 +37,7 @@ By default, Microsoft Defender Antivirus will enable itself on a Windows 10 devi
If Microsoft Defender Antivirus is enabled, the usual options will appear to configure it on that device:
![Windows Security app showing Windows Defender AV options, including scan options, settings, and update options](images/vtp-wdav.png)
![Windows Security app showing Microsoft Defender AV options, including scan options, settings, and update options](images/vtp-wdav.png)
If another antivirus product is installed and working correctly, Microsoft Defender Antivirus will disable itself. The Windows Security app will change the **Virus & threat protection** section to show status about the AV product, and provide a link to the product's configuration options:
@ -47,7 +47,7 @@ Underneath any third party AV products, a new link will appear as **Microsoft De
![The limited periodic option is a toggle to enable or disable **periodic scanning**](images/vtp-3ps-lps.png)
Sliding the switch to **On** will show the standard Windows Defender AV options underneath the third party AV product. The limited periodic scanning option will appear at the bottom of the page.
Sliding the switch to **On** will show the standard Microsoft Defender AV options underneath the third party AV product. The limited periodic scanning option will appear at the bottom of the page.
![When enabled, periodic scanning shows the normal Microsoft Defender Antivirus options](images/vtp-3ps-lps-on.png)

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@ -129,9 +129,9 @@ For more information, see [Windows Defender WMIv2 APIs](https://docs.microsoft.c
## Allow ad hoc changes to protection based on cloud-delivered protection
Windows Defender AV can make changes to its protection based on cloud-delivered protection. Such changes can occur outside of normal or scheduled protection updates.
Microsoft Defender AV can make changes to its protection based on cloud-delivered protection. Such changes can occur outside of normal or scheduled protection updates.
If you have enabled cloud-delivered protection, Windows Defender AV will send files it is suspicious about to the Windows Defender cloud. If the cloud service reports that the file is malicious, and the file is detected in a recent protection update, you can use Group Policy to configure Windows Defender AV to automatically receive that protection update. Other important protection updates can also be applied.
If you have enabled cloud-delivered protection, Microsoft Defender AV will send files it is suspicious about to the Windows Defender cloud. If the cloud service reports that the file is malicious, and the file is detected in a recent protection update, you can use Group Policy to configure Microsoft Defender AV to automatically receive that protection update. Other important protection updates can also be applied.
### Use Group Policy to automatically download recent updates based on cloud-delivered protection

8
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@ -1,5 +1,5 @@
---
title: Apply Windows Defender AV protection updates to out of date endpoints
title: Apply Microsoft Defender AV protection updates to out of date endpoints
description: Define when and how updates should be applied for endpoints that have not updated in a while.
keywords: updates, protection, out-of-date, outdated, old, catch-up
search.product: eADQiWindows 10XVcnh
@ -56,7 +56,7 @@ If Microsoft Defender Antivirus did not download protection updates for a specif
4. Expand the tree to **Windows components > Microsoft Defender Antivirus > Signature Updates**.
5. Double-click the **Define the number of days after which a catch-up security intelligence update is required** setting and set the option to **Enabled**. Enter the number of days after which you want Windows Defender AV to check for and download the latest protection update.
5. Double-click the **Define the number of days after which a catch-up security intelligence update is required** setting and set the option to **Enabled**. Enter the number of days after which you want Microsoft Defender AV to check for and download the latest protection update.
6. Click **OK**.
@ -96,11 +96,11 @@ You can also specify the number of days after which Microsoft Defender Antivirus
5. Expand the tree to **Windows components > Microsoft Defender Antivirus > Signature Updates** and configure the following settings:
1. Double-click **Define the number of days before spyware definitions are considered out of date** and set the option to **Enabled**. Enter the number of days after which you want Windows Defender AV to consider spyware Security intelligence to be out-of-date.
1. Double-click **Define the number of days before spyware definitions are considered out of date** and set the option to **Enabled**. Enter the number of days after which you want Microsoft Defender AV to consider spyware Security intelligence to be out-of-date.
2. Click **OK**.
3. Double-click **Define the number of days before virus definitions are considered out of date** and set the option to **Enabled**. Enter the number of days after which you want Windows Defender AV to consider virus Security intelligence to be out-of-date.
3. Double-click **Define the number of days before virus definitions are considered out of date** and set the option to **Enabled**. Enter the number of days after which you want Microsoft Defender AV to consider virus Security intelligence to be out-of-date.
4. Click **OK**.

2
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@ -1,5 +1,5 @@
---
title: Manage how and where Windows Defender AV receives updates
title: Manage how and where Microsoft Defender AV receives updates
description: Manage the fallback order for how Microsoft Defender Antivirus receives protection updates.
keywords: updates, security baselines, protection, fallback order, ADL, MMPC, UNC, file path, share, wsus
search.product: eADQiWindows 10XVcnh

4
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@ -1,6 +1,6 @@
---
title: Define how mobile devices are updated by Windows Defender AV
description: Manage how mobile devices, such as laptops, should be updated with Windows Defender AV protection updates.
title: Define how mobile devices are updated by Microsoft Defender AV
description: Manage how mobile devices, such as laptops, should be updated with Microsoft Defender AV protection updates.
keywords: updates, protection, schedule updates, battery, mobile device, laptop, notebook, opt-in, microsoft update, wsus, override
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

2
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@ -1,6 +1,6 @@
---
title: Next-generation protection in Windows 10, Windows Server 2016, and Windows Server 2019
description: Learn how to manage, configure, and use Windows Defender AV, the built-in antimalware and antivirus product available in Windows 10 and Windows Server 2016
description: Learn how to manage, configure, and use Microsoft Defender AV, the built-in antimalware and antivirus product available in Windows 10 and Windows Server 2016
keywords: Microsoft Defender Antivirus, windows defender, antimalware, scep, system center endpoint protection, system center configuration manager, virus, malware, threat, detection, protection, security
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

10
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@ -1,6 +1,6 @@
---
title: Microsoft Defender Antivirus on Windows Server 2016 and 2019
description: Enable and configure Windows Defender AV on Windows Server 2016 and 2019
description: Enable and configure Microsoft Defender AV on Windows Server 2016 and 2019
keywords: windows defender, server, scep, system center endpoint protection, server 2016, current branch, server 2012
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
@ -91,7 +91,7 @@ To use PowerShell to install Microsoft Defender Antivirus, run the following cmd
Install-WindowsFeature -Name Windows-Defender
```
Event messages for the antimalware engine included with Microsoft Defender Antivirus can be found in [Windows Defender AV Events](troubleshoot-microsoft-defender-antivirus.md).
Event messages for the antimalware engine included with Microsoft Defender Antivirus can be found in [Microsoft Defender AV Events](troubleshoot-microsoft-defender-antivirus.md).
## Verify Microsoft Defender Antivirus is running
@ -190,14 +190,14 @@ If you determine you do want to uninstall Microsoft Defender Antivirus, follow t
If you unselect **Windows Defender** by itself under the **Windows Defender Features** section, you will be prompted to remove the interface option **GUI for Windows Defender**.
Windows Defender AV will still run normally without the user interface, but the user interface cannot be enabled if you disable the core **Windows Defender** feature.
Microsoft Defender AV will still run normally without the user interface, but the user interface cannot be enabled if you disable the core **Windows Defender** feature.
### Uninstall Microsoft Defender Antivirus using PowerShell
>[!NOTE]
>You can't uninstall the Windows Security app, but you can disable the interface with these instructions.
The following PowerShell cmdlet will also uninstall Windows Defender AV on Windows Server 2016 or 2019:
The following PowerShell cmdlet will also uninstall Microsoft Defender AV on Windows Server 2016 or 2019:
```PowerShell
Uninstall-WindowsFeature -Name Windows-Defender
@ -216,6 +216,6 @@ Uninstall-WindowsFeature -Name Windows-Defender-GUI
- [Microsoft Defender Antivirus in Windows 10](microsoft-defender-antivirus-in-windows-10.md)
- [Configure exclusions in Windows Defender AV on Windows Server](configure-server-exclusions-microsoft-defender-antivirus.md)
- [Configure exclusions in Microsoft Defender AV on Windows Server](configure-server-exclusions-microsoft-defender-antivirus.md)

4
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@ -48,7 +48,7 @@ To run Microsoft Defender Offline from the endpoint, the user must be logged in
Microsoft Defender Offline uses the most recent protection updates available on the endpoint; it's updated whenever Windows Defender Antivirus is updated.
> [!NOTE]
> Before running an offline scan, you should attempt to update Windows Defender AV protection. You can either force an update with Group Policy or however you normally deploy updates to endpoints, or you can manually download and install the latest protection updates from the [Microsoft Malware Protection Center](https://www.microsoft.com/security/portal/definitions/adl.aspx).
> Before running an offline scan, you should attempt to update Microsoft Defender AV protection. You can either force an update with Group Policy or however you normally deploy updates to endpoints, or you can manually download and install the latest protection updates from the [Microsoft Malware Protection Center](https://www.microsoft.com/security/portal/definitions/adl.aspx).
See the [Manage Microsoft Defender Antivirus Security intelligence updates](manage-protection-updates-microsoft-defender-antivirus.md) topic for more information.
@ -75,7 +75,7 @@ Microsoft Defender Offline scans are indicated under **Malware remediation statu
## Configure notifications
<a name="manage-notifications"></a>
Microsoft Defender Offline notifications are configured in the same policy setting as other Windows Defender AV notifications.
Microsoft Defender Offline notifications are configured in the same policy setting as other Microsoft Defender AV notifications.
For more information about notifications in Windows Defender, see the [Configure the notifications that appear on endpoints](configure-notifications-microsoft-defender-antivirus.md) topic.

8
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@ -1,6 +1,6 @@
---
title: Microsoft Defender Antivirus in the Windows Security app
description: With Windows Defender AV now included in the Windows Security app, you can review, compare, and perform common tasks.
description: With Microsoft Defender AV now included in the Windows Security app, you can review, compare, and perform common tasks.
keywords: wdav, antivirus, firewall, security, windows
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
@ -27,8 +27,8 @@ In Windows 10, version 1703 and later, the Windows Defender app is part of the W
Settings that were previously part of the Windows Defender client and main Windows Settings have been combined and moved to the new app, which is installed by default as part of Windows 10, version 1703.
> [!IMPORTANT]
> Disabling the Windows Security Center service will not disable Windows Defender AV or [Windows Defender Firewall](https://docs.microsoft.com/windows/access-protection/windows-firewall/windows-firewall-with-advanced-security). These are disabled automatically when a third-party antivirus or firewall product is installed and kept up to date.<br/>If you do disable the Windows Security Center service, or configure its associated Group Policy settings to prevent it from starting or running, the Windows Security app may display stale or inaccurate information about any antivirus or firewall products you have installed on the device.
>It may also prevent Windows Defender AV from enabling itself if you have an old or outdated third-party antivirus, or if you uninstall any third-party antivirus products you may have previously installed.
> Disabling the Windows Security Center service will not disable Microsoft Defender AV or [Windows Defender Firewall](https://docs.microsoft.com/windows/access-protection/windows-firewall/windows-firewall-with-advanced-security). These are disabled automatically when a third-party antivirus or firewall product is installed and kept up to date.<br/>If you do disable the Windows Security Center service, or configure its associated Group Policy settings to prevent it from starting or running, the Windows Security app may display stale or inaccurate information about any antivirus or firewall products you have installed on the device.
>It may also prevent Microsoft Defender AV from enabling itself if you have an old or outdated third-party antivirus, or if you uninstall any third-party antivirus products you may have previously installed.
>This will significantly lower the protection of your device and could lead to malware infection.
@ -108,7 +108,7 @@ This section describes how to perform some of the most common tasks when reviewi
>[!NOTE]
>If you switch **Real-time protection** off, it will automatically turn back on after a short delay. This is to ensure you are protected from malware and threats.
>If you install another antivirus product, Windows Defender AV will automatically disable itself and will indicate this in the Windows Security app. A setting will appear that will allow you to enable [limited periodic scanning](limited-periodic-scanning-microsoft-defender-antivirus.md).
>If you install another antivirus product, Microsoft Defender AV will automatically disable itself and will indicate this in the Windows Security app. A setting will appear that will allow you to enable [limited periodic scanning](limited-periodic-scanning-microsoft-defender-antivirus.md).
<a id="exclusions"></a>

24
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@ -1,12 +1,12 @@
# [Microsoft Defender Antivirus in Windows 10](microsoft-defender-antivirus-in-windows-10.md)
## [Windows Defender AV in the Microsoft Defender Security Center app](microsoft-defender-security-center-antivirus.md)
## [Microsoft Defender AV in the Microsoft Defender Security Center app](microsoft-defender-security-center-antivirus.md)
## [Windows Defender AV on Windows Server 2016](microsoft-defender-antivirus-on-windows-server-2016.md)
## [Microsoft Defender AV on Windows Server 2016](microsoft-defender-antivirus-on-windows-server-2016.md)
## [Microsoft Defender Antivirus compatibility](microsoft-defender-antivirus-compatibility.md)
### [Use limited periodic scanning in Windows Defender AV](limited-periodic-scanning-microsoft-defender-antivirus.md)
### [Use limited periodic scanning in Microsoft Defender AV](limited-periodic-scanning-microsoft-defender-antivirus.md)
## [Evaluate Microsoft Defender Antivirus protection](evaluate-microsoft-defender-antivirus.md)
@ -35,18 +35,18 @@
### [Configure behavioral, heuristic, and real-time protection](configure-protection-features-microsoft-defender-antivirus.md)
#### [Detect and block Potentially Unwanted Applications](detect-block-potentially-unwanted-apps-microsoft-defender-antivirus.md)
#### [Enable and configure always-on protection and monitoring](configure-real-time-protection-microsoft-defender-antivirus.md)
### [Configure end-user interaction with Windows Defender AV](configure-end-user-interaction-microsoft-defender-antivirus.md)
### [Configure end-user interaction with Microsoft Defender AV](configure-end-user-interaction-microsoft-defender-antivirus.md)
#### [Configure the notifications that appear on endpoints](configure-notifications-microsoft-defender-antivirus.md)
#### [Prevent users from seeing or interacting with the user interface](prevent-end-user-interaction-microsoft-defender-antivirus.md)
#### [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md)
## [Customize, initiate, and review the results of scans and remediation](customize-run-review-remediate-scans-microsoft-defender-antivirus.md)
### [Configure and validate exclusions in Windows Defender AV scans](configure-exclusions-microsoft-defender-antivirus.md)
### [Configure and validate exclusions in Microsoft Defender AV scans](configure-exclusions-microsoft-defender-antivirus.md)
#### [Configure and validate exclusions based on file name, extension, and folder location](configure-extension-file-exclusions-microsoft-defender-antivirus.md)
#### [Configure and validate exclusions for files opened by processes](configure-process-opened-file-exclusions-microsoft-defender-antivirus.md)
#### [Configure exclusions in Windows Defender AV on Windows Server 2016](configure-server-exclusions-microsoft-defender-antivirus.md)
### [Configure scanning options in Windows Defender AV](configure-advanced-scan-types-microsoft-defender-antivirus.md)
#### [Configure exclusions in Microsoft Defender AV on Windows Server 2016](configure-server-exclusions-microsoft-defender-antivirus.md)
### [Configure scanning options in Microsoft Defender AV](configure-advanced-scan-types-microsoft-defender-antivirus.md)
### [Configure remediation for scans](configure-remediation-microsoft-defender-antivirus.md)
### [Configure scheduled scans](scheduled-catch-up-scans-microsoft-defender-antivirus.md)
### [Configure and run scans](run-scan-microsoft-defender-antivirus.md)
@ -59,10 +59,10 @@
## [Reference topics for management and configuration tools](configuration-management-reference-microsoft-defender-antivirus.md)
### [Use Group Policy settings to configure and manage Windows Defender AV](use-group-policy-microsoft-defender-antivirus.md)
### [Use System Center Configuration Manager and Microsoft Intune to configure and manage Windows Defender AV](use-intune-config-manager-microsoft-defender-antivirus.md)
### [Use PowerShell cmdlets to configure and manage Windows Defender AV](use-powershell-cmdlets-microsoft-defender-antivirus.md)
### [Use Windows Management Instrumentation (WMI) to configure and manage Windows Defender AV](use-wmi-microsoft-defender-antivirus.md)
### [Use the mpcmdrun.exe commandline tool to configure and manage Windows Defender AV](command-line-arguments-microsoft-defender-antivirus.md)
### [Use Group Policy settings to configure and manage Microsoft Defender AV](use-group-policy-microsoft-defender-antivirus.md)
### [Use System Center Configuration Manager and Microsoft Intune to configure and manage Microsoft Defender AV](use-intune-config-manager-microsoft-defender-antivirus.md)
### [Use PowerShell cmdlets to configure and manage Microsoft Defender AV](use-powershell-cmdlets-microsoft-defender-antivirus.md)
### [Use Windows Management Instrumentation (WMI) to configure and manage Microsoft Defender AV](use-wmi-microsoft-defender-antivirus.md)
### [Use the mpcmdrun.exe commandline tool to configure and manage Microsoft Defender AV](command-line-arguments-microsoft-defender-antivirus.md)

2
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@ -44,7 +44,7 @@ In earlier versions of Windows 10, the setting will hide the Windows Defender cl
![Warning message when headless mode is enabled in Windows 10, versions earlier than 1703](images/defender/wdav-headless-mode-1607.png)
## Use Group Policy to hide the Windows Defender AV interface from users
## Use Group Policy to hide the Microsoft Defender AV interface from users
1. On your Group Policy management machine, open the [Group Policy Management Console](https://docs.microsoft.com/previous-versions/windows/desktop/gpmc/group-policy-management-console-portal), right-click the Group Policy Object you want to configure and click **Edit**.

4
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@ -1,7 +1,7 @@
---
title: Monitor and report on Microsoft Defender Antivirus protection
description: Use Configuration Manager or security information and event management (SIEM) tools to consume reports, and monitor Windows Defender AV with PowerShell and WMI.
keywords: siem, monitor, report, windows defender av
description: Use Configuration Manager or security information and event management (SIEM) tools to consume reports, and monitor Microsoft Defender AV with PowerShell and WMI.
keywords: siem, monitor, report, Microsoft Defender AV
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
ms.prod: w10

6
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@ -1,6 +1,6 @@
---
title: Restore quarantined files in Windows Defender AV
description: You can restore files and folders that were quarantined by Windows Defender AV.
title: Restore quarantined files in Microsoft Defender AV
description: You can restore files and folders that were quarantined by Microsoft Defender AV.
keywords:
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
@ -17,7 +17,7 @@ ms.reviewer:
manager: dansimp
---
# Restore quarantined files in Windows Defender AV
# Restore quarantined files in Microsoft Defender AV
**Applies to:**

2
windows/security/threat-protection/microsoft-defender-antivirus/review-scan-results-microsoft-defender-antivirus.md
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@ -1,5 +1,5 @@
---
title: Review the results of Windows Defender AV scans
title: Review the results of Microsoft Defender AV scans
description: Review the results of scans using Microsoft Endpoint Configuration Manager, Microsoft Intune, or the Windows Security app
keywords: scan results, remediation, full scan, quick scan
search.product: eADQiWindows 10XVcnh

2
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@ -1,5 +1,5 @@
---
title: Run and customize on-demand scans in Windows Defender AV
title: Run and customize on-demand scans in Microsoft Defender AV
description: Run and configure on-demand scans using PowerShell, Windows Management Instrumentation, or individually on endpoints with the Windows Security app
keywords: scan, on-demand, dos, intune, instant scan
search.product: eADQiWindows 10XVcnh

2
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@ -1,5 +1,5 @@
---
title: Schedule regular quick and full scans with Windows Defender AV
title: Schedule regular quick and full scans with Microsoft Defender AV
description: Set up recurring (scheduled) scans, including when they should run and whether they run as full or quick scans
keywords: quick scan, full scan, quick vs full, schedule scan, daily, weekly, time, scheduled, recurring, regular
search.product: eADQiWindows 10XVcnh

2
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@ -1,5 +1,5 @@
---
title: Windows Defender AV event IDs and error codes
title: Microsoft Defender AV event IDs and error codes
description: Look up the causes and solutions for Microsoft Defender Antivirus event IDs and errors
keywords: event, error code, siem, logging, troubleshooting, wef, windows event forwarding
search.product: eADQiWindows 10XVcnh

10
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@ -1,7 +1,7 @@
---
title: Troubleshoot problems with reporting tools for Windows Defender AV
description: Identify and solve common problems when attempting to report in Windows Defender AV protection status in Update Compliance
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, windows defender av
title: Troubleshoot problems with reporting tools for Microsoft Defender AV
description: Identify and solve common problems when attempting to report in Microsoft Defender AV protection status in Update Compliance
keywords: troubleshoot, error, fix, update compliance, oms, monitor, report, Microsoft Defender AV
search.product: eADQiWindows 10XVcnh
ms.pagetype: security
ms.prod: w10
@ -51,9 +51,9 @@ There are three steps to troubleshooting these problems:
In order for devices to properly show up in Update Compliance, you have to meet certain prerequisites for both the Update Compliance service and for Microsoft Defender Antivirus:
>[!div class="checklist"]
>- Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Windows Defender AV to disable itself](microsoft-defender-antivirus-compatibility.md) and the endpoint will not be reported in Update Compliance.
>- Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Microsoft Defender AV to disable itself](microsoft-defender-antivirus-compatibility.md) and the endpoint will not be reported in Update Compliance.
> - [Cloud-delivered protection is enabled](enable-cloud-protection-microsoft-defender-antivirus.md).
> - Endpoints can [connect to the Windows Defender AV cloud](configure-network-connections-microsoft-defender-antivirus.md#validate-connections-between-your-network-and-the-cloud)
> - Endpoints can [connect to the Microsoft Defender AV cloud](configure-network-connections-microsoft-defender-antivirus.md#validate-connections-between-your-network-and-the-cloud)
> - If the endpoint is running Windows 10 version 1607 or earlier, [Windows 10 diagnostic data must be set to the Enhanced level](https://docs.microsoft.com/windows/configuration/configure-windows-diagnostic-data-in-your-organization#enhanced-level).
> - It has been 3 days since all requirements have been met

2
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@ -1,6 +1,6 @@
---
title: Configure Microsoft Defender Antivirus with Configuration Manager and Intune
description: Use Microsoft Endpoint Configuration Manager and Microsoft Intune to configure Windows Defender AV and Endpoint Protection
description: Use Microsoft Endpoint Configuration Manager and Microsoft Intune to configure Microsoft Defender AV and Endpoint Protection
keywords: scep, intune, endpoint protection, configuration
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

2
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@ -1,5 +1,5 @@
---
title: Use PowerShell cmdlets to configure and run Windows Defender AV
title: Use PowerShell cmdlets to configure and run Microsoft Defender AV
description: In Windows 10, you can use PowerShell cmdlets to run scans, update Security intelligence, and change settings in Microsoft Defender Antivirus.
keywords: scan, command line, mpcmdrun, defender
search.product: eADQiWindows 10XVcnh

2
windows/security/threat-protection/microsoft-defender-antivirus/use-wmi-microsoft-defender-antivirus.md
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@ -1,6 +1,6 @@
---
title: Configure Microsoft Defender Antivirus with WMI
description: Use WMI scripts to configure Windows Defender AV.
description: Use WMI scripts to configure Microsoft Defender AV.
keywords: wmi, scripts, windows management instrumentation, configuration
search.product: eADQiWindows 10XVcnh
ms.pagetype: security

2
windows/security/threat-protection/microsoft-defender-antivirus/utilize-microsoft-cloud-protection-microsoft-defender-antivirus.md
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@ -25,7 +25,7 @@ ms.custom: nextgen
Microsoft next-generation technologies in Microsoft Defender Antivirus provide near-instant, automated protection against new and emerging threats. To dynamically identify new threats, these technologies work with large sets of interconnected data in the Microsoft Intelligent Security Graph and powerful artificial intelligence (AI) systems driven by advanced machine learning models.
Microsoft Defender Antivirus uses multiple detection and prevention technologies to deliver accurate, real-time, and intelligent protection. [Get to know the advanced technologies at the core of Microsoft Defender ATP next generation protection](https://www.microsoft.com/security/blog/2019/06/24/inside-out-get-to-know-the-advanced-technologies-at-the-core-of-microsoft-defender-atp-next-generation-protection/).
![List of Windows Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
![List of Microsoft Defender AV engines](images/microsoft-defender-atp-next-generation-protection-engines.png)
To take advantage of the power and speed of these next-generation technologies, Microsoft Defender Antivirus works seamlessly with Microsoft cloud services. These cloud protection services, also referred to as Microsoft Advanced Protection Service (MAPS), enhances standard real-time protection, providing arguably the best antivirus defense.

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windows/security/threat-protection/microsoft-defender-atp/alerts-queue.md
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@ -58,16 +58,16 @@ Informational </br>(Grey) | Alerts that might not be considered harmful to the n
#### Understanding alert severity
Microsoft Defender Antivirus (Windows Defender AV) and Microsoft Defender ATP alert severities are different because they represent different scopes.
Microsoft Defender Antivirus (Microsoft Defender AV) and Microsoft Defender ATP alert severities are different because they represent different scopes.
The Windows Defender AV threat severity represents the absolute severity of the detected threat (malware), and is assigned based on the potential risk to the individual machine, if infected.
The Microsoft Defender AV threat severity represents the absolute severity of the detected threat (malware), and is assigned based on the potential risk to the individual machine, if infected.
The Microsoft Defender ATP alert severity represents the severity of the detected behavior, the actual risk to the machine but more importantly the potential risk to the organization.
So, for example:
- The severity of a Microsoft Defender ATP alert about a Windows Defender AV detected threat that was completely prevented and did not infect the machine is categorized as "Informational" because there was no actual damage.
- An alert about a commercial malware was detected while executing, but blocked and remediated by Windows Defender AV, is categorized as "Low" because it may have caused some damage to the individual machine but poses no organizational threat.
- The severity of a Microsoft Defender ATP alert about a Microsoft Defender AV detected threat that was completely prevented and did not infect the machine is categorized as "Informational" because there was no actual damage.
- An alert about a commercial malware was detected while executing, but blocked and remediated by Microsoft Defender AV, is categorized as "Low" because it may have caused some damage to the individual machine but poses no organizational threat.
- An alert about malware detected while executing which can pose a threat not only to the individual machine but to the organization, regardless if it was eventually blocked, may be ranked as "Medium" or "High".
- Suspicious behavioral alerts, which weren't blocked or remediated will be ranked "Low", "Medium" or "High" following the same organizational threat considerations.

12
windows/security/threat-protection/microsoft-defender-atp/api-portal-mapping.md
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@ -43,7 +43,7 @@ Field numbers match the numbers in the images below.
>
> | Portal label | SIEM field name | ArcSight field | Example value | Description |
> |------------------|---------------------------|---------------------|------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
> | 1 | AlertTitle | name | Windows Defender AV detected 'Mikatz' high-severity malware | Value available for every Detection. |
> | 1 | AlertTitle | name | Microsoft Defender AV detected 'Mikatz' high-severity malware | Value available for every Detection. |
> | 2 | Severity | deviceSeverity | High | Value available for every Detection. |
> | 3 | Category | deviceEventCategory | Malware | Value available for every Detection. |
> | 4 | Detection source | sourceServiceName | Antivirus | Microsoft Defender Antivirus or Microsoft Defender ATP. Value available for every Detection. |
@ -53,13 +53,13 @@ Field numbers match the numbers in the images below.
> | 8 | UserDomain | sourceNtDomain | CONTOSO | The domain of the user context running the activity, available for Microsoft Defender ATP behavioral based detections. |
> | 9 | UserName | sourceUserName | liz.bean | The user context running the activity, available for Microsoft Defender ATP behavioral based detections. |
> | 10 | Sha1 | fileHash | 3da065e07b990034e9db7842167f70b63aa5329 | Available for detections associated with a file or process. |
> | 11 | Sha256 | deviceCustomString6 | ebf54f745dc81e1958f75e4ca91dd0ab989fc9787bb6b0bf993e2f5 | Available for Windows Defender AV detections. |
> | 12 | Md5 | deviceCustomString5 | db979c04a99b96d370988325bb5a8b21 | Available for Windows Defender AV detections. |
> | 13 | ThreatName | deviceCustomString1 | HackTool:Win32/Mikatz!dha | Available for Windows Defender AV detections. |
> | 11 | Sha256 | deviceCustomString6 | ebf54f745dc81e1958f75e4ca91dd0ab989fc9787bb6b0bf993e2f5 | Available for Microsoft Defender AV detections. |
> | 12 | Md5 | deviceCustomString5 | db979c04a99b96d370988325bb5a8b21 | Available for Microsoft Defender AV detections. |
> | 13 | ThreatName | deviceCustomString1 | HackTool:Win32/Mikatz!dha | Available for Microsoft Defender AV detections. |
> | 14 | IpAddress | sourceAddress | 218.90.204.141 | Available for detections associated to network events. For example, 'Communication to a malicious network destination'. |
> | 15 | Url | requestUrl | down.esales360.cn | Available for detections associated to network events. For example, 'Communication to a malicious network destination'. |
> | 16 | RemediationIsSuccess | deviceCustomNumber2 | TRUE | Available for Windows Defender AV detections. ArcSight value is 1 when TRUE and 0 when FALSE. |
> | 17 | WasExecutingWhileDetected | deviceCustomNumber1 | FALSE | Available for Windows Defender AV detections. ArcSight value is 1 when TRUE and 0 when FALSE. |
> | 16 | RemediationIsSuccess | deviceCustomNumber2 | TRUE | Available for Microsoft Defender AV detections. ArcSight value is 1 when TRUE and 0 when FALSE. |
> | 17 | WasExecutingWhileDetected | deviceCustomNumber1 | FALSE | Available for Microsoft Defender AV detections. ArcSight value is 1 when TRUE and 0 when FALSE. |
> | 18 | AlertId | externalId | 636210704265059241_673569822 | Value available for every Detection. |
> | 19 | LinkToWDATP | flexString1 | `https://securitycenter.windows.com/alert/636210704265059241_673569822` | Value available for every Detection. |
> | 20 | AlertTime | deviceReceiptTime | 2017-05-07T01:56:59.3191352Z | The time the event occurred. Value available for every Detection. |

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windows/security/threat-protection/microsoft-defender-atp/configure-server-endpoints.md
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@ -151,7 +151,7 @@ Support for Windows Server, provide deeper insight into activities happening on
1. Configure Microsoft Defender ATP onboarding settings on the server. For more information, see [Onboard Windows 10 machines](configure-endpoints.md).
2. If you're running a third-party antimalware solution, you'll need to apply the following Windows Defender AV passive mode settings. Verify that it was configured correctly:
2. If you're running a third-party antimalware solution, you'll need to apply the following Microsoft Defender AV passive mode settings. Verify that it was configured correctly:
1. Set the following registry entry:
- Path: `HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection`
@ -168,11 +168,11 @@ Support for Windows Server, provide deeper insight into activities happening on
![Image of passive mode verification result](images/atp-verify-passive-mode.png)
3. Run the following command to check if Windows Defender AV is installed:
3. Run the following command to check if Microsoft Defender AV is installed:
```sc.exe query Windefend```
If the result is 'The specified service does not exist as an installed service', then you'll need to install Windows Defender AV. For more information, see [Microsoft Defender Antivirus in Windows 10](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-in-windows-10).
If the result is 'The specified service does not exist as an installed service', then you'll need to install Microsoft Defender AV. For more information, see [Microsoft Defender Antivirus in Windows 10](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-in-windows-10).
## Integration with Azure Security Center

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windows/security/threat-protection/microsoft-defender-atp/enable-controlled-folders.md
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@ -41,7 +41,7 @@ Group Policy settings that disable local administrator list merging will overrid
* Microsoft Defender Antivirus **Configure local administrator merge behavior for lists**
* System Center Endpoint Protection **Allow users to add exclusions and overrides**
For more information about disabling local list merging, see [Prevent or allow users to locally modify Windows Defender AV policy settings](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/configure-local-policy-overrides-microsoft-defender-antivirus#configure-how-locally-and-globally-defined-threat-remediation-and-exclusions-lists-are-merged).
For more information about disabling local list merging, see [Prevent or allow users to locally modify Microsoft Defender AV policy settings](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/configure-local-policy-overrides-microsoft-defender-antivirus#configure-how-locally-and-globally-defined-threat-remediation-and-exclusions-lists-are-merged).
## Windows Security app

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windows/security/threat-protection/microsoft-defender-atp/investigate-files.md
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@ -61,7 +61,7 @@ For more information on these actions, see [Take response action on a file](resp
The file details, incident, malware detection, and file prevalence cards display various attributes about the file.
You'll see details such as the file’s MD5, the Virus Total detection ratio, and Windows Defender AV detection if available, and the file’s prevalence, both worldwide and within your organizations.
You'll see details such as the file’s MD5, the Virus Total detection ratio, and Microsoft Defender AV detection if available, and the file’s prevalence, both worldwide and within your organizations.
![Image of file information](images/atp-file-information.png)

6
windows/security/threat-protection/microsoft-defender-atp/manage-indicators.md
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@ -30,13 +30,13 @@ Indicator of compromise (IoCs) matching is an essential feature in every endpoin
Create indicators that define the detection, prevention, and exclusion of entities. You can define the action to be taken as well as the duration for when to apply the action as well as the scope of the machine group to apply it to.
Currently supported sources are the cloud detection engine of Microsoft Defender ATP, the automated investigation and remediation engine, and the endpoint prevention engine (Windows Defender AV).
Currently supported sources are the cloud detection engine of Microsoft Defender ATP, the automated investigation and remediation engine, and the endpoint prevention engine (Microsoft Defender AV).
**Cloud detection engine**<br>
The cloud detection engine of Microsoft Defender ATP regularly scans collected data and tries to match the indicators you set. When there is a match, action will be taken according to the settings you specified for the IoC.
**Endpoint prevention engine**<br>
The same list of indicators is honored by the prevention agent. Meaning, if Windows Defender AV is the primary AV configured, the matched indicators will be treated according to the settings. For example, if the action is "Alert and Block", Windows Defender AV will prevent file executions (block and remediate) and a corresponding alert will be raised. On the other hand, if the Action is set to "Allow", Windows Defender AV will not detect nor block the file from being run.
The same list of indicators is honored by the prevention agent. Meaning, if Microsoft Defender AV is the primary AV configured, the matched indicators will be treated according to the settings. For example, if the action is "Alert and Block", Microsoft Defender AV will prevent file executions (block and remediate) and a corresponding alert will be raised. On the other hand, if the Action is set to "Allow", Microsoft Defender AV will not detect nor block the file from being run.
**Automated investigation and remediation engine**<BR>
The automated investigation and remediation behave the same. If an indicator is set to "Allow", Automated investigation and remediation will ignore a "bad" verdict for it. If set to "Block", Automated investigation and remediation will treat it as "bad".
@ -153,7 +153,7 @@ It's important to understand the following prerequisites prior to creating indic
You can create indicators for certificates. Some common use cases include:
- Scenarios when you need to deploy blocking technologies, such as [attack surface reduction rules](attack-surface-reduction.md) and [controlled folder access](controlled-folders.md) but need to allow behaviors from signed applications by adding the certificate in the allow list.
- Blocking the use of a specific signed application across your organization. By creating an indicator to block the certificate of the application, Windows Defender AV will prevent file executions (block and remediate) and the Automated Investigation and Remediation behave the same.
- Blocking the use of a specific signed application across your organization. By creating an indicator to block the certificate of the application, Microsoft Defender AV will prevent file executions (block and remediate) and the Automated Investigation and Remediation behave the same.
### Before you begin

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windows/security/threat-protection/microsoft-defender-atp/network-protection.md
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@ -44,11 +44,11 @@ You can also use [audit mode](audit-windows-defender.md) to evaluate how Network
## Requirements
Network protection requires Windows 10 Pro, Enterprise E3, E5 and Windows Defender AV real-time protection.
Network protection requires Windows 10 Pro, Enterprise E3, E5 and Microsoft Defender AV real-time protection.
Windows 10 version | Microsoft Defender Antivirus
-|-
Windows 10 version 1709 or later | [Windows Defender AV real-time protection](../microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus.md) and [cloud-delivered protection](../microsoft-defender-antivirus/enable-cloud-protection-microsoft-defender-antivirus.md) must be enabled
Windows 10 version 1709 or later | [Microsoft Defender AV real-time protection](../microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus.md) and [cloud-delivered protection](../microsoft-defender-antivirus/enable-cloud-protection-microsoft-defender-antivirus.md) must be enabled
## Review network protection events in the Microsoft Defender ATP Security Center

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windows/security/threat-protection/microsoft-defender-atp/portal-overview.md
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@ -81,7 +81,7 @@ Icon | Description
![Not remediated icon](images/not-remediated-icon.png)| Not remediated – Threat not removed from the machine.
![Thunderbolt icon](images/atp-thunderbolt-icon.png)| Indicates events that triggered an alert in the **Alert process tree**.
![Machine icon](images/atp-machine-icon.png)| Machine icon
![Windows Defender AV events icon](images/atp-windows-defender-av-events-icon.png)| Microsoft Defender Antivirus events
![Microsoft Defender AV events icon](images/atp-windows-defender-av-events-icon.png)| Microsoft Defender Antivirus events
![Application Guard events icon](images/atp-Application-Guard-events-icon.png)| Windows Defender Application Guard events
![Device Guard events icon](images/atp-Device-Guard-events-icon.png)| Windows Defender Device Guard events
![Exploit Guard events icon](images/atp-Exploit-Guard-events-icon.png)| Windows Defender Exploit Guard events

4
windows/security/threat-protection/microsoft-defender-atp/respond-machine-alerts.md
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@ -116,13 +116,13 @@ As part of the investigation or response process, you can remotely initiate an a
>[!IMPORTANT]
>- This action is available for machines on Windows 10, version 1709 or later.
>- A Microsoft Defender Antivirus (Windows Defender AV) scan can run alongside other antivirus solutions, whether Windows Defender AV is the active antivirus solution or not. Windows Defender AV can be in Passive mode. For more information, see [Microsoft Defender Antivirus compatibility](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
>- A Microsoft Defender Antivirus (Microsoft Defender AV) scan can run alongside other antivirus solutions, whether Microsoft Defender AV is the active antivirus solution or not. Microsoft Defender AV can be in Passive mode. For more information, see [Microsoft Defender Antivirus compatibility](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
One you have selected **Run antivirus scan**, select the scan type that you'd like to run (quick or full) and add a comment before confirming the scan.
![Image of notification to select quick scan or full scan and add comment](images/run-antivirus.png)
The Action center will show the scan information and the machine timeline will include a new event, reflecting that a scan action was submitted on the machine. Windows Defender AV alerts will reflect any detections that surfaced during the scan.
The Action center will show the scan information and the machine timeline will include a new event, reflecting that a scan action was submitted on the machine. Microsoft Defender AV alerts will reflect any detections that surfaced during the scan.
## Restrict app execution

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windows/security/threat-protection/microsoft-defender-atp/troubleshoot-asr.md
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@ -46,7 +46,7 @@ Attack surface reduction rules will only work on devices with the following cond
- Endpoints are running Windows 10 Enterprise, version 1709 (also known as the Fall Creators Update).
- Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Windows Defender AV to disable itself](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
- Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Microsoft Defender AV to disable itself](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
- [Real-time protection](../microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus.md) is enabled.

2
windows/security/threat-protection/microsoft-defender-atp/troubleshoot-np.md
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@ -43,7 +43,7 @@ Network protection will only work on devices with the following conditions:
>[!div class="checklist"]
> * Endpoints are running Windows 10 Enterprise edition, version 1709 or higher (also known as the Fall Creators Update).
> * Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Windows Defender AV to disable itself](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
> * Endpoints are using Microsoft Defender Antivirus as the sole antivirus protection app. [Using any other antivirus app will cause Microsoft Defender AV to disable itself](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
> * [Real-time protection](../microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus.md) is enabled.
> * [Cloud-delivered protection](../microsoft-defender-antivirus/enable-cloud-protection-microsoft-defender-antivirus.md) is enabled.
> * Audit mode is not enabled. Use [Group Policy](enable-network-protection.md#group-policy) to set the rule to **Disabled** (value: **0**).

12
windows/security/threat-protection/windows-defender-security-center/windows-defender-security-center.md
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@ -42,7 +42,7 @@ You can't uninstall the Windows Security app, but you can do one of the followin
- Disable the interface on Windows Server 2016. See [Microsoft Defender Antivirus on Windows Server 2016](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-on-windows-server-2016).
- Hide all of the sections on client computers (see below).
- Disable Microsoft Defender Antivirus, if needed. See [Enable and configure Windows Defender AV always-on protection and monitoring](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus).
- Disable Microsoft Defender Antivirus, if needed. See [Enable and configure Microsoft Defender AV always-on protection and monitoring](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus).
You can find more information about each section, including options for configuring the sections - such as hiding each of the sections - at the following topics:
@ -77,20 +77,20 @@ You can find more information about each section, including options for configur
## How the Windows Security app works with Windows security features
> [!IMPORTANT]
> Windows Defender AV and the Windows Security app use similarly named services for specific purposes.
> Microsoft Defender AV and the Windows Security app use similarly named services for specific purposes.
>
> The Windows Security app uses the Windows Security Service (*SecurityHealthService* or *Windows Security Health Servce*), which in turn utilizes the Security Center service ([*wscsvc*](https://technet.microsoft.com/library/bb457154.aspx#EDAA)) to ensure the app provides the most up-to-date information about the protection status on the endpoint, including protection offered by third-party antivirus products, Windows Defender Firewall, third-party firewalls, and other security protection.
>
>These services do not affect the state of Windows Defender AV. Disabling or modifying these services will not disable Windows Defender AV, and will lead to a lowered protection state on the endpoint, even if you are using a third-party antivirus product.
>These services do not affect the state of Microsoft Defender AV. Disabling or modifying these services will not disable Microsoft Defender AV, and will lead to a lowered protection state on the endpoint, even if you are using a third-party antivirus product.
>
>Windows Defender AV will be [disabled automatically when a third-party antivirus product is installed and kept up to date](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
>Microsoft Defender AV will be [disabled automatically when a third-party antivirus product is installed and kept up to date](../microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md).
>
> Disabling the Windows Security Center service will not disable Windows Defender AV or [Windows Defender Firewall](https://docs.microsoft.com/windows/access-protection/windows-firewall/windows-firewall-with-advanced-security).
> Disabling the Windows Security Center service will not disable Microsoft Defender AV or [Windows Defender Firewall](https://docs.microsoft.com/windows/access-protection/windows-firewall/windows-firewall-with-advanced-security).
> [!WARNING]
> If you disable the Security Center service, or configure its associated Group Policy settings to prevent it from starting or running, the Windows Security app may display stale or inaccurate information about any antivirus or firewall products you have installed on the device.
>
> It may also prevent Windows Defender AV from enabling itself if you have an old or outdated third-party antivirus, or if you uninstall any third-party antivirus products you may have previously installed.
> It may also prevent Microsoft Defender AV from enabling itself if you have an old or outdated third-party antivirus, or if you uninstall any third-party antivirus products you may have previously installed.
>
> This will significantly lower the protection of your device and could lead to malware infection.

4
windows/whats-new/ltsc/whats-new-windows-10-2019.md
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@ -83,9 +83,9 @@ Endpoint detection and response is improved. Enterprise customers can now take a
- [Configuring features](/windows/threat-protection/microsoft-defender-antivirus/configure-microsoft-defender-antivirus-features)
- [Troubleshooting](/windows/threat-protection/microsoft-defender-antivirus/troubleshoot-microsoft-defender-antivirus)
Some of the highlights of the new library include [Evaluation guide for Windows Defender AV](/windows/threat-protection/microsoft-defender-antivirus//evaluate-microsoft-defender-antivirus) and [Deployment guide for Windows Defender AV in a virtual desktop infrastructure environment](/windows/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus).
Some of the highlights of the new library include [Evaluation guide for Microsoft Defender AV](/windows/threat-protection/microsoft-defender-antivirus//evaluate-microsoft-defender-antivirus) and [Deployment guide for Microsoft Defender AV in a virtual desktop infrastructure environment](/windows/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus).
New features for Windows Defender AV in Windows 10 Enterprise 2019 LTSC include:
New features for Microsoft Defender AV in Windows 10 Enterprise 2019 LTSC include:
- [Updates to how the Block at First Sight feature can be configured](/windows/threat-protection/microsoft-defender-antivirus/configure-block-at-first-sight-microsoft-defender-antivirus)
- [The ability to specify the level of cloud-protection](/windows/threat-protection/microsoft-defender-antivirus/specify-cloud-protection-level-microsoft-defender-antivirus)
- [Microsoft Defender Antivirus protection in the Windows Defender Security Center app](/windows/threat-protection/microsoft-defender-antivirus/windows-defender-security-center-antivirus)

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@ -138,10 +138,10 @@ The new library includes information on:
- [Troubleshooting](/windows/threat-protection/microsoft-defender-antivirus/troubleshoot-microsoft-defender-antivirus)
Some of the highlights of the new library include:
- [Evaluation guide for Windows Defender AV](/windows/threat-protection/microsoft-defender-antivirus//evaluate-microsoft-defender-antivirus)
- [Deployment guide for Windows Defender AV in a virtual desktop infrastructure environment](/windows/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus)
- [Evaluation guide for Microsoft Defender AV](/windows/threat-protection/microsoft-defender-antivirus//evaluate-microsoft-defender-antivirus)
- [Deployment guide for Microsoft Defender AV in a virtual desktop infrastructure environment](/windows/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus)
New features for Windows Defender AV in Windows 10, version 1703 include:
New features for Microsoft Defender AV in Windows 10, version 1703 include:
- [Updates to how the Block at First Sight feature can be configured](/windows/threat-protection/microsoft-defender-antivirus/configure-block-at-first-sight-microsoft-defender-antivirus)
- [The ability to specify the level of cloud-protection](/windows/threat-protection/microsoft-defender-antivirus/specify-cloud-protection-level-microsoft-defender-antivirus)
@ -150,7 +150,7 @@ New features for Windows Defender AV in Windows 10, version 1703 include:
In Windows 10, version 1607, we [invested heavily in helping to protect against ransomware](https://blogs.windows.com/business/2016/11/11/defending-against-ransomware-with-windows-10-anniversary-update/#UJlHc6SZ2Zm44jCt.97), and we continue that investment in version 1703 with [updated behavior monitoring and always-on real-time protection](/windows/threat-protection/microsoft-defender-antivirus/configure-real-time-protection-microsoft-defender-antivirus).
You can read more about ransomware mitigations and detection capability in Windows Defender AV in the [Ransomware Protection in Windows 10 Anniversary Update whitepaper (PDF)](http://wincom.blob.core.windows.net/documents/Ransomware_protection_in_Windows_10_Anniversary_Update.pdf) and at the [Microsoft Malware Protection Center blog](https://blogs.technet.microsoft.com/mmpc/category/research/ransomware/).
You can read more about ransomware mitigations and detection capability in Microsoft Defender AV in the [Ransomware Protection in Windows 10 Anniversary Update whitepaper (PDF)](http://wincom.blob.core.windows.net/documents/Ransomware_protection_in_Windows_10_Anniversary_Update.pdf) and at the [Microsoft Malware Protection Center blog](https://blogs.technet.microsoft.com/mmpc/category/research/ransomware/).
### Device Guard and Credential Guard