Forum Discussion
Ngumride
Mar 05, 2025Copper Contributor
Device control with Defender for Endpoint
Dear all, I need some help on an issue I have been experiencing with my device control policy recently. This policy was configured under attack surface reduction rules in Intune and has been wor...
Joe Stocker
Mar 15, 2025Bronze Contributor
To troubleshoot this:
- Examine the Intune management logs on both working and non-working machines to compare policy application
- Use the Event Viewer (Microsoft-Windows-DeviceGuard-UserMode/Operational) to check for device control events and policy rejections
- Try creating a test policy that uses multiple identification methods for the same device (Serial Number, Product ID, Vendor ID)
- Verify that all machines are on the same Windows build and have consistent Microsoft Defender versions