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Update microsoft-defender-antivirus-compatibility.md

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Denise Vangel-MSFT
2021-01-20 17:03:31 -08:00
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windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility.md
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@ -47,14 +47,17 @@ The following table summarizes what happens with Microsoft Defender Antivirus wh
| Windows Server 2016 or 2019 | Microsoft Defender Antivirus | Yes | Active mode |
| Windows Server 2016 or 2019 | Microsoft Defender Antivirus | No | Active mode |
(<a id="fn1">1</a>) On Windows Server 2016 or 2019, Microsoft Defender Antivirus does not enter passive mode automatically when you install a non-Microsoft antivirus product. In those cases, [set Microsoft Defender Antivirus to passive mode](microsoft-defender-antivirus-on-windows-server-2016.md#need-to-set-microsoft-defender-antivirus-to-passive-mode) to prevent problems caused by having multiple antivirus products installed on a server.
(<a id="fn1">1</a>) On Windows Server, version 1803 or newer, or Windows Server 2019, Microsoft Defender Antivirus does not enter passive mode automatically when you install a non-Microsoft antivirus product. In those cases, [set Microsoft Defender Antivirus to passive mode](microsoft-defender-antivirus-on-windows-server-2016.md#need-to-set-microsoft-defender-antivirus-to-passive-mode) to prevent problems caused by having multiple antivirus products installed on a server.
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:
If you are using Windows Server, version 1803 or newer, or Windows Server 2019, set Microsoft Defender Antivirus to passive mode by setting this registry key:
- Path: `HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection`
- Name: `ForceDefenderPassiveMode`
- Type: `REG_DWORD`
- Value: `1`
> [!NOTE]
> The `ForceDefenderPassiveMode` registry key is not supported on Windows Server 2016.
See [Microsoft Defender Antivirus on Windows Server 2016 and 2019](microsoft-defender-antivirus-on-windows-server-2016.md) for key differences and management options for Windows Server installations.
> [!IMPORTANT]