Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may be intermittently unable to use the Microsoft Teams API in Microsoft Graph to create teams – ONGOING

Announcements Arpan Das

12/02/2026 08:25:00 AM

NHSmail Reference: INC46748002

Microsoft Reference: TM1230723

Issue Status: ONGOING

Issue Description: Users may be intermittently unable to use the Microsoft Teams API in Microsoft Graph to create teams.

Current Update: 13/02/2026 08:53:00 AM – Microsoft are continuing to monitor the positive improvement in our service telemetry for creating teams as the fix saturates throughout the affected environment.

Scope of impact: Some users attempting to create Microsoft Teams via the Microsoft Graph Create team API may be impacted.

Root cause: A recent service change has inadvertently introduced a mismatch regression when processing Microsoft Teams async operations.

Next update by: Thursday, February 12, 2026, at 8:00 AM UTC