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antivirus fixes
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@ -47,9 +47,9 @@ The following table summarizes what happens with Microsoft Defender Antivirus wh
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| Windows Server 2016 or 2019 | Microsoft Defender Antivirus | Yes | Active mode |
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| Windows Server 2016 or 2019 | Microsoft Defender Antivirus | No | Active mode |
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(<a id="fn1">1</a>) On Windows Server 2016 or 2019, Microsoft Defender Antivirus will not enter passive or disabled mode if you have also installed a third-party antivirus product. If you install a third-party antivirus product, you should [consider uninstalling Microsoft Defender Antivirus on Windows Server 2016 or 2019](microsoft-defender-antivirus-on-windows-server-2016.md#need-to-uninstall-microsoft-defender-antivirus) to prevent problems caused by having multiple antivirus products installed on a machine.
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(<a id="fn1">1</a>) On Windows Server 2019 or 2016, Microsoft Defender Antivirus does not enter passive or disabled mode automatically when you install non-Microsoft antivirus product. In those cases, [disable Microsoft Defender Antivirus, or set it to passive mode](microsoft-defender-antivirus-on-windows-server-2016.md#need-to-uninstall-microsoft-defender-antivirus) to prevent problems caused by having multiple antivirus products installed on a server.
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If you are using Windows Server, version 1803 or Windows Server 2019, you can enable passive mode by setting this registry key:
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If you are using Windows Server, version 1803 or Windows Server 2019, you set Microsoft Defender Antivirus to passive mode by setting this registry key:
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- Path: `HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection`
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- Name: ForceDefenderPassiveMode
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- Type: REG_DWORD
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@ -1,5 +1,5 @@
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---
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title: Microsoft Defender Antivirus on Windows Server 2016 and 2019
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title: Microsoft Defender Antivirus on Windows Server 2019 and 2016
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description: Learn how to enable and configure Microsoft Defender Antivirus on Windows Server 2016 and Windows Server 2019.
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keywords: windows defender, server, scep, system center endpoint protection, server 2016, current branch, server 2012
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search.product: eADQiWindows 10XVcnh
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@ -173,17 +173,17 @@ See [Configure exclusions in Microsoft Defender Antivirus on Windows Server](con
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## Need to uninstall Microsoft Defender Antivirus?
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If you are using a third-party antivirus solution and you're running into issues with that solution and Microsoft Defender Antivirus, you can consider uninstalling Microsoft Defender Antivirus. Before you do that, review the following resources:
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If you are using a non-Microsoft antivirus product as your primary antivirus solution, you can either disable Microsoft Defender Antivirus, or set it to passive mode.
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- See the question *Should I run Microsoft security software at the same time as other security products?* in the [Windows Defender Security Intelligence Antivirus and antimalware software FAQ](https://www.microsoft.com/wdsi/help/antimalware-faq#multiple-products).
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### Set Microsoft Defender Antivirus to passive mode
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- See [Microsoft Defender Antivirus compatibility](microsoft-defender-antivirus-compatibility.md).
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If you are using Windows Server, version 1803 or Windows Server 2019, you can enable passive mode by setting this registry key:
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- Path: `HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection`
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- Name: `ForceDefenderPassiveMode`
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- Type: `REG_DWORD`
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- Value: `1`
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- See [Better together: Microsoft Defender Antivirus and Microsoft Defender for Endpoint](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/why-use-microsoft-antivirus). This article describes 10 advantages to using Microsoft Defender Antivirus together with Defender for Endpoint.
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If you determine you do want to uninstall Microsoft Defender Antivirus, follow the steps in the following sections.
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### Uninstall Microsoft Defender Antivirus using the Remove Roles and Features wizard
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### Disable Microsoft Defender Antivirus using the Remove Roles and Features wizard
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1. See [Install or Uninstall Roles, Role Services, or Features](https://docs.microsoft.com/windows-server/administration/server-manager/install-or-uninstall-roles-role-services-or-features#remove-roles-role-services-and-features-by-using-the-remove-roles-and-features-wizard), and use the **Remove Roles and Features Wizard**.
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@ -193,7 +193,7 @@ If you determine you do want to uninstall Microsoft Defender Antivirus, follow t
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Microsoft Defender Antivirus will still run normally without the user interface, but the user interface cannot be enabled if you disable the core **Windows Defender** feature.
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### Uninstall Microsoft Defender Antivirus using PowerShell
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### Disable Microsoft Defender Antivirus using PowerShell
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>[!NOTE]
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>You can't uninstall the Windows Security app, but you can disable the interface with these instructions.
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@ -204,7 +204,7 @@ The following PowerShell cmdlet uninstalls Microsoft Defender Antivirus on Windo
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Uninstall-WindowsFeature -Name Windows-Defender
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```
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### Turn off the GUI using PowerShell
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### Turn off the Microsoft Defender Antivirus user interface using PowerShell
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To turn off the Microsoft Defender Antivirus GUI, use the following PowerShell cmdlet:
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