Defender Antivirus compatibility with other products

Settings and overrides named on this page

Registry values, policies and cmdlets the source mentions, with the dated steps that name them. Read the source for the values to set.

• Get-MpComputerStatus
• MsMpEng

Relative periods

Counted from an event the source describes, such as installing an update; they are not calendar dates.

• Every 30 daysNotes about protection statesMilestoneException2 conditions

Requirements, exceptions and scope

• Microsoft Defender Antivirus and non-Microsoft antivirus/antimalware solutionsException1 condition1 passage

  In general, Microsoft Defender Antivirus can be set to passive mode only on endpoints that are onboarded to Defender for Endpoint.…

• Windows Server and passive modeRequirementRecommendation1 condition2 passages
  Get-MpComputerStatus

  You can view your…

• Requirements for Microsoft Defender Antivirus to run in passive modeRequirementExceptionScope2 conditions7 passages
• How Microsoft Defender Antivirus affects Defender for Endpoint functionalityException1 condition1 passage
• Notes about protection statesException9 conditions5 passages
• How to confirm the state of Microsoft Defender AntivirusRequirement1 condition1 passage
• Use the Windows Security app to identify your antivirus appRecommendation1 passage
• Use Windows PowerShell to confirm that Microsoft Defender Antivirus is runningExceptionRecommendation2 conditions2 passages
  MsMpEng
• Use Windows PowerShell to confirm that antivirus protection is runningExceptionRecommendation2 conditions2 passages
• Passive mode or EDR in block modeException2 conditions1 passage
• Disabled or uninstalledRecommendation2 conditions1 passage

Extracted automatically from Microsoft's wording. Confirm dates, conditions and whether they apply to you in the source before acting; a month or quarter is a window, not a day.