deepblue/windows-itpro-docs
1
0
Fork 0
mirror of https://github.com/MicrosoftDocs/windows-itpro-docs.git synced 2025-05-13 05:47:23 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Merge branch 'master' into android-images

Browse Source
This commit is contained in:
Joey Caparas 2020-09-21 14:54:14 -07:00
commit 848c9cd998
1 changed files with 39 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

135
windows/security/threat-protection/microsoft-defender-antivirus/deployment-vdi-microsoft-defender-antivirus.md
View File

@ -44,69 +44,11 @@ You can also download the whitepaper [Microsoft Defender Antivirus on Virtual De
> [!IMPORTANT] > [!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 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. > 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 ## Set up a dedicated VDI file share
In Windows 10, version 1903, we introduced the shared security intelligence feature. This offloads the unpackaging of downloaded security intelligence updates onto a host machine - thus saving previous CPU, disk, and memory resources on individual machines. You can set this feature with [Intune](https://docs.microsoft.com/intune/fundamentals/what-is-intune), Group Policy, or PowerShell. In Windows 10, version 1903, we introduced the shared security intelligence feature. This offloads the unpackaging of downloaded security intelligence updates onto a host machine — thus saving previous CPU, disk, and memory resources on individual machines. You can set this feature with a Group Policy, or PowerShell.
> [!TIP] ### Use Group Policy to enable the shared security intelligence feature:
> If you don't already have Intune, [try it for free](https://docs.microsoft.com/intune/fundamentals/free-trial-sign-up)!
Open the Intune Management Portal either by searching for Intune on [https://portal.azure.com](https://portal.azure.com) or going to [https://devicemanagement.microsoft.com](https://devicemanagement.microsoft.com) and logging in.
#### To create a group with only the devices or users you specify
1. Go to **Groups** > **New group**.
2. Specify the following values:
- Group type: **Security**
- Group name: **VDI test VMs**
- Group description: *Optional*
- Membership type: **Assigned**
3. Add the devices or users you want to be a part of this test and then click **Create** to save the group.
It’s a good idea to create a couple of groups, one with VMs running the latest Insider Preview build and with the shared security intelligence update feature enabled, and another with VMs that are running Windows 10 1809 or earlier versions. This will help when you create dashboards to test the performance changes.
#### To create a group that will include any machine in your tenant that is a VM, even when they are newly created
1. Go to **Groups** > **New group**.
2. Specify the following values:
- Group type: **Security**
- Group name: **VDI test VMs**
- Group description: *Optional*
- Membership type: **Dynamic Device**
3. Click **Simple rule**, and select **deviceModel**, **Equals**, and enter **Virtual Machine**.
4. Click **Add query** and then **Create** to save the group.
5. Go to **Device configuration**, then **Profiles**. You can modify an existing custom profile or create a new one.
#### Create a new device configuration profile
In this example, we create a new device configuration profile by clicking **Create profile**.
1. Name it, choose **Windows 10 and later** as the Platform and – most importantly – select **Custom** as the profile type.
2. The **Custom OMA-URI Settings** blade is opened automatically. Click **Add** then enter the following values:
- Name: **VDI shared sig location**
- Description: *Optional*
- OMA-URI: **./Vendor/MSFT/Defender/SharedSignatureRoot**
- Data type: **String**
- `\\<sharedlocation\>\wdav-update\` (see the [Download and unpackage](#download-and-unpackage-the-latest-updates) section for what this will be)
3. Click **Ok** to close the details blade, then **OK** again to close the **Custom OMA-URI Settings** blade.
4. Click **Create** to save the new profile. The profile details page now appears.
5. Click **Assignments**. The **Include** tab is automatically selected. In the drop-down menu, select **Selected Groups**, then click **Select groups to include**. Click the **VDI test VMs** group and then **Select**.
6. Click **Evaluate** to see how many users/devices will be impacted. If the number makes sense, click **Save**. If the number doesn’t make sense, go back to the groups blade and confirm the group contains the right users or devices.
The profile will now be deployed to the impacted devices. This may take some time.
#### Use Group Policy to enable the shared security intelligence feature:
1. On your Group Policy management computer, open the Group Policy Management Console, right-click the Group Policy Object you want to configure, and then click **Edit**. 1. On your Group Policy management computer, open the Group Policy Management Console, right-click the Group Policy Object you want to configure, and then click **Edit**.
@ -118,23 +60,23 @@ The profile will now be deployed to the impacted devices. This may take some tim
5. Double-click **Define security intelligence location for VDI clients**, and then set the option to **Enabled**. A field automatically appears. 5. Double-click **Define security intelligence location for VDI clients**, and then set the option to **Enabled**. A field automatically appears.
6. Enter `\\<sharedlocation\>\wdav-update` (see the [Download and unpackage](#download-and-unpackage-the-latest-updates) section for what this will be). 6. Enter `\\<sharedlocation\>\wdav-update` (for what this will be, see [Download and unpackage](#download-and-unpackage-the-latest-updates)).
7. Click **OK**. 7. Click **OK**.
8. Deploy the GPO to the VMs you want to test. 8. Deploy the GPO to the VMs you want to test.
#### Use PowerShell to enable the shared security intelligence feature ### Use PowerShell to enable the shared security intelligence feature
Use the following cmdlet to enable the feature. You’ll need to then push this as you normally would push PowerShell-based configuration policies onto the VMs: Use the following cmdlet to enable the feature. You’ll need to then push this as you normally would push PowerShell-based configuration policies onto the VMs:
```PowerShell ```PowerShell
Set-MpPreference -SharedSignaturesPath \\<shared location>\wdav-update Set-MpPreference -SharedSignaturesPath \\<shared location>\wdav-update
``` ```
See the [Download and unpackage](#download-and-unpackage-the-latest-updates) section for what the \<shared location\> will be. See the [Download and unpackage](#download-and-unpackage-the-latest-updates) section for what the \<shared location\> will be.
### Download and unpackage the latest updates ## Download and unpackage the latest updates
Now you can get started on downloading and installing new updates. We’ve created a sample PowerShell script for you below. This script is the easiest way to download new updates and get them ready for your VMs. You should then set the script to run at a certain time on the management machine by using a scheduled task (or, if you’re familiar with using PowerShell scripts in Azure, Intune, or SCCM, you could also use those). Now you can get started on downloading and installing new updates. We’ve created a sample PowerShell script for you below. This script is the easiest way to download new updates and get them ready for your VMs. You should then set the script to run at a certain time on the management machine by using a scheduled task (or, if you’re familiar with using PowerShell scripts in Azure, Intune, or SCCM, you could also use those).
@ -149,30 +91,29 @@ New-Item -ItemType Directory -Force -Path $vdmpath | Out-Null
Invoke-WebRequest -Uri 'https://go.microsoft.com/fwlink/?LinkID=121721&arch=x64' -OutFile $vdmpackage Invoke-WebRequest -Uri 'https://go.microsoft.com/fwlink/?LinkID=121721&arch=x64' -OutFile $vdmpackage
cmd /c "cd $vdmpath & c: & mpam-fe.exe /x" cmd /c "cd $vdmpath & c: & mpam-fe.exe /x"
``` ```
You can set a scheduled task to run once a day so that whenever the package is downloaded and unpacked then the VMs will receive the new update. You can set a scheduled task to run once a day so that whenever the package is downloaded and unpacked then the VMs will receive the new update.
We suggest starting with once a day – but you should experiment with increasing or decreasing the frequency to understand the impact. We suggest starting with once a day — but you should experiment with increasing or decreasing the frequency to understand the impact.
Security intelligence packages are typically published once every three to four hours. Setting a frequency shorter than four hours isn’t advised because it will increase the network overhead on your management machine for no benefit. Security intelligence packages are typically published once every three to four hours. Setting a frequency shorter than four hours isn’t advised because it will increase the network overhead on your management machine for no benefit.
#### Set a scheduled task to run the powershell script ### Set a scheduled task to run the PowerShell script
1. On the management machine, open the Start menu and type **Task Scheduler**. Open it and select **Create task…** on the side panel. 1. On the management machine, open the Start menu and type **Task Scheduler**. Open it and select **Create task…** on the side panel.
2. Enter the name as **Security intelligence unpacker**. Go to the **Trigger** tab. Click **New…** Select **Daily** and click **OK**. 2. Enter the name as **Security intelligence unpacker**. Go to the **Trigger** tab. Click **New…** Select **Daily** and click **OK**.
3. Go to the **Actions** tab. Click **New…** Enter **PowerShell** in the **Program/Script** field. Enter `-ExecutionPolicy Bypass c:\wdav-update\vdmdlunpack.ps1` in the **Add arguments** field. Click **OK**. 3. Go to the **Actions** tab. Click **New…** Enter **PowerShell** in the **Program/Script** field. Enter `-ExecutionPolicy Bypass c:\wdav-update\vdmdlunpack.ps1` in the **Add arguments** field. Click **OK**.
4. You can choose to configure additional settings if you wish. 4. You can choose to configure additional settings if you wish.
5. Click **OK** to save the scheduled task. 5. Click **OK** to save the scheduled task.
You can initiate the update manually by right-clicking on the task and clicking **Run**. You can initiate the update manually by right-clicking on the task and clicking **Run**.
#### Download and unpackage manually ### Download and unpackage manually
If you would prefer to do everything manually, this what you would need to do to replicate the script’s behavior: If you would prefer to do everything manually, this what you would need to do to replicate the script’s behavior:
@ -180,83 +121,85 @@ If you would prefer to do everything manually, this what you would need to do to
2. Create a subfolder under *wdav_update* with a GUID name, such as `{00000000-0000-0000-0000-000000000000}`; for example `c:\wdav_update\{00000000-0000-0000-0000-000000000000}`. 2. Create a subfolder under *wdav_update* with a GUID name, such as `{00000000-0000-0000-0000-000000000000}`; for example `c:\wdav_update\{00000000-0000-0000-0000-000000000000}`.
Note: In the script we set it so the last 12 digits of the GUID are the year, month, day, and time when the file was downloaded so that a new folder is created each time. You can change this so that the file is downloaded to the same folder each time. > [!NOTE]
> In the script we set it so the last 12 digits of the GUID are the year, month, day, and time when the file was downloaded so that a new folder is created each time. You can change this so that the file is downloaded to the same folder each time.
3. Download a security intelligence package from [https://www.microsoft.com/wdsi/definitions](https://www.microsoft.com/wdsi/definitions) into the GUID folder. The file should be named `mpam-fe.exe`. 3. Download a security intelligence package from [https://www.microsoft.com/wdsi/definitions](https://www.microsoft.com/wdsi/definitions) into the GUID folder. The file should be named `mpam-fe.exe`.
4. Open a cmd prompt window and navigate to the GUID folder you created. Use the **/X** extraction command to extract the files, for example `mpam-fe.exe /X`. 4. Open a cmd prompt window and navigate to the GUID folder you created. Use the **/X** extraction command to extract the files, for example `mpam-fe.exe /X`.
Note: The VMs will pick up the updated package whenever a new GUID folder is created with an extracted update package or whenever an existing folder is updated with a new extracted package. > [!NOTE]
> The VMs will pick up the updated package whenever a new GUID folder is created with an extracted update package or whenever an existing folder is updated with a new extracted package.
### Randomize scheduled scans ## Randomize scheduled scans
Scheduled scans run in addition to [real-time protection and scanning](configure-real-time-protection-microsoft-defender-antivirus.md). 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 Microsoft 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. See [Schedule scans](scheduled-catch-up-scans-microsoft-defender-antivirus.md) for other configuration options available for scheduled scans.
### Use quick scans ## Use quick scans
You can specify the type of scan that should be performed during a scheduled scan. You can specify the type of scan that should be performed during a scheduled scan.
Quick scans are the preferred approach as they are designed to look in all places where malware needs to reside to be active. Quick scans are the preferred approach as they are designed to look in all places where malware needs to reside to be active.
1. Expand the tree to **Windows components > Windows Defender > Scan**. 1. Expand the tree to **Windows components > Windows Defender > Scan**.
2. Double-click **Specify the scan type to use for a scheduled scan** and set the option to **Enabled** and **Quick scan**. 2. Double-click **Specify the scan type to use for a scheduled scan** and set the option to **Enabled** and **Quick scan**.
3. Click **OK**. 3. Click **OK**.
### Prevent notifications ## Prevent notifications
Sometimes, Microsoft Defender Antivirus notifications may be sent to or persist across multiple sessions. In order to minimize this problem, you can use the lock down the Microsoft Defender Antivirus user interface. Sometimes, Microsoft Defender Antivirus notifications may be sent to or persist across multiple sessions. In order to minimize this problem, you can use the lock down the Microsoft Defender Antivirus user interface.
1. Expand the tree to **Windows components > Windows Defender > Client Interface**. 1. Expand the tree to **Windows components > Windows Defender > Client Interface**.
2. Double-click **Suppress all notifications** and set the option to **Enabled**. 2. Double-click **Suppress all notifications** and set the option to **Enabled**.
3. Click **OK**. 3. Click **OK**.
This prevents notifications from Microsoft 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 ## Disable scans after an update
This setting will prevent a scan from occurring after receiving an update. You can apply this when creating the base image if you have also run a quick scan. This prevents the newly updated VM from performing a scan again (as you've already scanned it when you created the base image). This setting will prevent a scan from occurring after receiving an update. You can apply this when creating the base image if you have also run a quick scan. This prevents the newly updated VM from performing a scan again (as you've already scanned it when you created the base image).
> [!IMPORTANT] > [!IMPORTANT]
> Running scans after an update will help ensure your VMs are protected with the latest Security intelligence updates. Disabling this option will reduce the protection level of your VMs and should only be used when first creating or deploying the base image. > Running scans after an update will help ensure your VMs are protected with the latest Security intelligence updates. Disabling this option will reduce the protection level of your VMs and should only be used when first creating or deploying the base image.
1. Expand the tree to **Windows components > Windows Defender > Signature Updates**. 1. Expand the tree to **Windows components > Windows Defender > Signature Updates**.
2. Double-click **Turn on scan after signature update** and set the option to **Disabled**. 2. Double-click **Turn on scan after signature update** and set the option to **Disabled**.
3. Click **OK**. 3. Click **OK**.
This prevents a scan from running immediately after an update. This prevents a scan from running immediately after an update.
### Scan VMs that have been offline ## Scan VMs that have been offline
1. Expand the tree to **Windows components > Windows Defender > Scan**. 1. Expand the tree to **Windows components > Windows Defender > Scan**.
2. Double-click the **Turn on catch-up quick scan** setting and set the option to **Enabled**. 2. Double-click the **Turn on catch-up quick scan** setting and set the option to **Enabled**.
3. Click **OK**. 3. Click **OK**.
This forces a scan if the VM has missed two or more consecutive scheduled scans. This forces a scan if the VM has missed two or more consecutive scheduled scans.
## Enable headless UI mode
### Enable headless UI mode 1. Double-click **Enable headless UI mode** and set the option to **Enabled**.
1. Double-click **Enable headless UI mode** and set the option to **Enabled**. 2. Click **OK**.
2. Click **OK**.
This hides the entire Microsoft Defender AV user interface from users. This hides the entire Microsoft Defender AV user interface from users.
### Exclusions ## Exclusions
On Windows Server 2016, Microsoft Defender Antivirus will automatically deliver the right exclusions for servers running a VDI environment. However, if you are running an older Windows server version, see [Configure Microsoft Defender Antivirus exclusions on Windows Server](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/configure-server-exclusions-microsoft-defender-antivirus). Exclusions can be added, removed, or customized to suit your needs.
For more details, see [Configure Microsoft Defender Antivirus exclusions on Windows Server](configure-exclusions-microsoft-defender-antivirus.md).
## Additional resources ## Additional resources