Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users who create a team from an existing group within Microsoft Teams receive an error – RESOLVED

03/07/2025 08:40:00 AM

NHSmail Reference: INC46570685

Microsoft Reference: TM1108188

Issue Status: RESOLVED

Issue Description: Users who create a team from an existing group within Microsoft Teams receive an error.

Current Update: 29/07/2025 08:47:00 AM – Microsoft have completed the deployment of their fix to the affected environment and confirmed after testing that impact was successfully resolved.

Scope of impact: Your organization is affected by this event, and uses who create teams from an existing group within Microsoft Teams are impacted.

Root cause: A routine service update for better error handling introduced a code regression, which is resulting in impact.

Next Steps: Microsoft are reviewing their service update testing and validation procedures to identify opportunities to improve impact detection and prevent similar future occurrences.