Update microsoft-defender-antivirus-compatibility.md

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Denise Vangel-MSFT
2021-01-11 15:39:05 -08:00
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## Keep the following points in mind
If you are enrolled in Microsoft Defender for Endpoint and you are using a third-party antimalware product, then passive mode is enabled. [The service requires common information sharing from Microsoft Defender Antivirus service](../microsoft-defender-atp/defender-compatibility.md) in order to properly monitor your devices and network for intrusion attempts and attacks.
- If you are enrolled in Microsoft Defender for Endpoint and you are using a third-party antimalware product, then passive mode is enabled. [The service requires common information sharing from Microsoft Defender Antivirus service](../microsoft-defender-atp/defender-compatibility.md) in order to properly monitor your devices and network for intrusion attempts and attacks.
When Microsoft Defender Antivirus is disabled automatically, it can be re-enabled automatically if the protection offered by a non-Microsoft antivirus product expires or otherwise stops providing real-time protection from viruses, malware, or other threats. Automatic re-enabling helps to ensure that antivirus protection is maintained on your devices. It also allows you to enable [limited periodic scanning](limited-periodic-scanning-microsoft-defender-antivirus.md), which uses the Microsoft Defender Antivirus engine to periodically check for threats in addition to your main antivirus app.
- When Microsoft Defender Antivirus is disabled automatically, it can be re-enabled automatically if the protection offered by a non-Microsoft antivirus product expires or otherwise stops providing real-time protection from viruses, malware, or other threats. Automatic re-enabling helps to ensure that antivirus protection is maintained on your devices. It also allows you to enable [limited periodic scanning](limited-periodic-scanning-microsoft-defender-antivirus.md), which uses the Microsoft Defender Antivirus engine to periodically check for threats in addition to your main antivirus app.
In passive mode, you can still [manage updates for Microsoft Defender Antivirus](manage-updates-baselines-microsoft-defender-antivirus.md); however, you can't move Microsoft Defender Antivirus into the normal active mode if your endpoints have an up-to-date third-party product providing real-time protection from malware.
- When Microsoft Defender Antivirus is in passive mode, you can still [manage updates for Microsoft Defender Antivirus](manage-updates-baselines-microsoft-defender-antivirus.md); however, you can't move Microsoft Defender Antivirus into active mode if your devices have an up-to-date, non-Microsoft antivirus product providing real-time protection from malware.
If you uninstall the other product, and choose to use Microsoft Defender Antivirus to provide protection to your endpoints, Microsoft Defender Antivirus will automatically return to its normal active mode.
If you uninstall the non-Microsoft antivirus product, and use Microsoft Defender Antivirus to provide protection to your devices, Microsoft Defender Antivirus will return to its normal active mode automatically.
> [!WARNING]
> You should not attempt to disable, stop, or modify any of the associated services used by Microsoft Defender Antivirus, Microsoft Defender for Endpoint, or the Windows Security app. This includes the *wscsvc*, *SecurityHealthService*, *MsSense*, *Sense*, *WinDefend*, or *MsMpEng* services and process. Manually modifying these services can cause severe instability on your endpoints and open your network to infections and attacks. It can also cause problems when using third-party antivirus apps and how their information is displayed in the [Windows Security app](microsoft-defender-security-center-antivirus.md).
> Do not disable, stop, or modify any of the associated services that are used by Microsoft Defender Antivirus, Microsoft Defender for Endpoint, or the Windows Security app. This includes the *wscsvc*, *SecurityHealthService*, *MsSense*, *Sense*, *WinDefend*, or *MsMpEng* services and processes. Manually modifying these services can cause severe instability on your devices and can make your network vulnerable. Disabling, stopping, or modifying those services can also cause problems when using non-Microsoft antivirus solutions and how their information is displayed in the [Windows Security app](microsoft-defender-security-center-antivirus.md).
## See also
@ -103,5 +103,4 @@ If you uninstall the other product, and choose to use Microsoft Defender Antivir
- [Microsoft Defender Antivirus on Windows Server 2016 and 2019](microsoft-defender-antivirus-on-windows-server-2016.md)
- [EDR in block mode](../microsoft-defender-atp/edr-in-block-mode.md)
- [Configure Endpoint Protection](https://docs.microsoft.com/mem/configmgr/protect/deploy-use/endpoint-protection-configure)
- [Configure Endpoint Protection on a standalone client](https://docs.microsoft.com/mem/configmgr/protect/deploy-use/endpoint-protection-configure-standalone-client)
- [Learn about Microsoft 365 Endpoint data loss prevention](https://docs.microsoft.com/microsoft-365/compliance/endpoint-dlp-learn-about)