User impact: Admin’s actions may be delayed from appearing in the Microsoft Defender for Endpoint Action Center.

More info: The although the actions aren’t showing in the Pending or History sections of the Action Center, the actions were successful. This affects all actions taken in that would normally appear in the Action Center.

Current status: We’ve detected an issue in which admin’s actions aren’t appearing in the Action Center of the Microsoft Defender for Endpoint within the expected timeframe. We’ve identified that a recent update contained a misconfigured library, resulting in impact. We reverted this update to prevent impact, but previously affected actions are still processing and may take 24 hours to propagate. We’re monitoring the progress of this processing backlog to confirm it completes within the expected timeframe. We’re also attempting to expedite the processing of these actions to more quickly remediate impact.

Scope of impact: Some admins attempting to view their actions in the Action Center of the Microsoft Defender for Endpoint may be impacted.

Start time: Wednesday, April 19, 2023, at 9:44 AM UTC

Root cause: A recent update contained a misconfigured library, resulting in impact.

Next update by: Thursday, April 20, 2023, at 7:00 PM UTC