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Update windows-defender-antivirus-on-windows-server-2016.md

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denisebmsft 2019-09-10 12:03:35 -07:00
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windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-on-windows-server-2016.md
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@ -9,9 +9,9 @@ ms.mktglfcycl: manage
ms.sitesec: library
ms.pagetype: security
ms.localizationpriority: medium
author: dansimp
ms.author: dansimp
ms.date: 09/03/2018
author: denisebmsft
ms.author: deniseb
ms.date: 09/10/2019
ms.reviewer:
manager: dansimp
---
@ -41,7 +41,6 @@ This topic includes the following instructions for setting up and running Window
- [Configure automatic exclusions](#BKMK_DefExclusions)
<a name="BKMK_UsingDef"></a>
## Enable or disable the interface on Windows Server 2016
By default, Windows Defender AV is installed and functional on Windows Server 2016. The user interface is installed by default on some SKUs, but is not required.
@ -87,7 +86,7 @@ This is useful if you have a third-party antivirus product installed on the mach
The following PowerShell cmdlet will also uninstall Windows Defender AV on Windows Server 2016:
```PS
```PowerShell
Uninstall-WindowsFeature -Name Windows-Defender
```
@ -95,7 +94,7 @@ To install Windows Defender AV again, use the **Add Roles and Features Wizard**
You can also use the following PowerShell cmdlet to install Windows Defender AV:
```PS
```PowerShell
Install-WindowsFeature -Name Windows-Defender
```
@ -103,9 +102,21 @@ Install-WindowsFeature -Name Windows-Defender
> Event messages for the antimalware engine included with Windows Defender AV can be found in [Windows Defender AV Events](troubleshoot-windows-defender-antivirus.md).
<a name="BKMK_DefRun"></a>
## Verify Windows Defender is running
To verify that Windows Defender AV is running on the server, run the following command from a command prompt:
To verify that Windows Defender AV is running on the server, run the following PowerShell cmdlet:
```PowerShell
Get-Service -Name windefend
```
To verify that firewall protection through Windows Defender is turned on, run the following PowerShell cmdlet:
```PowerShell
Get-Service -Name mpssvc
```
As an alternative to PowerShell, you can use Command Prompt to verify that Windows Defender AV is running. To do that, run the following command from a command prompt:
```DOS
sc query Windefend
@ -113,8 +124,9 @@ sc query Windefend
The `sc query` command returns information about the Windows Defender service. If Windows Defender is running, the `STATE` value displays `RUNNING`.
<a name="BKMK_UpdateDef"></a>
## Update antimalware Security intelligence
In order to get updated antimalware Security intelligence , you must have the Windows Update service running. If you use an update management service, like Windows Server Update Services (WSUS), make sure that updates for Windows Defender Antivirus Security intelligence are approved for the computers you manage.
By default, Windows Update does not download and install updates automatically on Windows Server 2016. You can change this configuration by using one of the following methods: