Microsoft 365 Alert – Service Degradation –Microsoft Defender XDR – Users may experience failures in some of Microsoft Defender for Endpoint response capabilities – NEW

Announcements Arpan Das

15/01/2024 09:02:00 AM

NHSmail Reference: INC48046701

Microsoft Reference: DZ979902

Issue Status: OPEN

Issue Description: Users may experience failures in some of Microsoft Defender for Endpoint response capabilities

More info: The impacted capabilities include security intelligence updates, forensics collection, download file, and live response analysis.

In addition, Defender Experts operations are also experiencing degradation and limited operations. Efforts to restore all impacted services are in progress. Defender Experts will resume full operations once the restoration is complete.

Current Update: 15/01/2024 09:02:00 AM – Microsoft are continuing to work to revert the previous service change, make an update to correct the misconfiguration, and re-image the affected service infrastructure to resolve impact.

Scope of impact: All users serviced by the affected infrastructure may be impacted by this event and experience failures in some of Microsoft Defender for Endpoint response capabilities.

Root cause: A planned Microsoft Defender Cloud Protection service upgrade designed to improve performance included a misconfiguration, leading to impact.

Next Update by: Wednesday, January 15, 2025, at 11:00 AM UTC