Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users may be unable to access some third-party apps within Microsoft Teams – RESOLVED

Announcements Sharmista Mohanta

07/09/2026 10:06:00 AM

NHS.net Connect Reference: INC46927535

Microsoft Reference: TM1467148

Issue Status: RESOLVED

Issue Description: Users may have been unable to access some third-party apps within Microsoft Teams.

Final Update: 07/09/2026 10:07:00 AM – Microsoft has deployed their fix to address the upstream code issue and confirmed through monitoring service health telemetry that the impact has been remediated. Admins will need to restore the pre-impact app configurations within the Microsoft Teams admin center to have access restored. The pre-impact app configuration settings can be gathered from audit logs.

Scope of impact: Any user attempting to access a some third-party apps may have been impacted.

Root cause: A code issue occurring within an upstream service caused the third-party app to be removed from the app catalog, resulting in impact.

Next steps: Microsoft is reviewing the offending code issue to determine how it was introduced into the service, so that they can prevent similar issues from occurring in the future.