Microsoft 365 Alert – Service Degradation – Microsoft 365 suite – Some users may experience issues with one or more Microsoft 365 services – RESOLVED

Announcements Arpan Das

03/03/2025 08:45:00 AM

NHSmail Reference: INC46464868

Microsoft Reference: MO1020913

Issue Status: RESOLVED

Issue Description: Users may have experienced issues with one or more Microsoft 365 services.

More info: Impact scenarios from this event included:
– Users were unable to authenticate to Microsoft 365 services, including Exchange and Outlook.
– Users were able to authenticate to Microsoft Teams; however, users experienced degraded functionality including impact to chat/team creation and search.
– Users experienced issues with connectors/flows in the Microsoft Power Platform and logic apps.
– Users received 500 errors and were unable to access the Purview service.

Final Update: 03/03/2025 08:45:00 AM – Following Microsoft’ reversion of the problematic code change, they have monitored service telemetry and worked with previously impacted customers to confirm that service is restored.

Scope of impact: Any user attempting to access or use the services and features outlined within the ”More info” section of this communication were impacted.

Next update by: Microsoft are reviewing their change management process to better understand how the impacting change was not detected in our testing cycle.