File Integrity Monitoring requires MDE agent version 10.8799+ for legacy Windows machines
Analysis / inference: Microsoft Defender for Cloud File Integrity Monitoring now requires MDE agent version 10.8799 or higher on legacy Windows machines.
- Dates
- Source and collection dates not recorded
- Source
- Microsoft Defender for Cloud release notes · Limited verification
- Classification
- Microsoft Security
Section 01 · Summary analysis
A pipeline change in Microsoft Defender for Endpoint makes agent version 10.8799 or above mandatory for File Integrity Monitoring to work correctly on downlevel clients like Windows Server 2016 and Windows Server 2012 R2.
AI summary / analysis; claims are not independently verified. Check the primary source before acting.
Section 02 · Analysis
SecOps Signal analysisFile Integrity Monitoring functionality breaks on legacy Windows servers if the underlying Microsoft Defender for Endpoint agent is not updated, leaving blind spots in critical host change detection.
File Integrity Monitoring stops functioning properly on affected legacy Windows machines running MDE agent versions older than 10.8799, breaking host-level change visibility.
Section 03 · Recommended actions
- Upgrade the Microsoft Defender for Endpoint agent to version 10.8799 or later on all affected legacy Windows servers.
- Review Defender for Cloud alerts and dashboards to confirm FIM telemetry resumes after updating agents.
- Verify the current Microsoft Defender for Endpoint agent version deployed across Windows Server 2016, Windows Server 2012 R2, and other legacy Windows systems.
- Check Microsoft Defender for Cloud File Integrity Monitoring operational status for reporting gaps.