Some users may not receive meeting-started notifications on Android devices

Title: Some users may not receive meeting-started notifications on Android devices User impact: Users may have not received meeting-started notifications on Android devices. Final status: We've reverted the impacting service change, and confirmed through monitoring service health telemetry that the impact has been remediated. Scope of impact: Some users expecting to receive meeting start notifications in Microsoft Teams on Android devices may have been impacted. Start time: Tuesday, October 13, 2026, at 11:03 PM UTC End time: Friday, October 16, 2026, at 7:35 AM UTC Root cause: A recent notification service change intended to address an unrelated issue affected meeting-started notifications for Android users. Next steps: - We're reviewing the recent notification service change to understand why impact to meeting-started notifications wasn't identified during our pre-deployment testing processes, so that we can prevent similar issues from occurring in the future. This is the final update for the event.

Title: Some users may not receive meeting-started notifications on Android devices User impact: Users may not receive meeting-started notifications on Android devices. Current status: Our reversion of the affecting change is ongoing, and initial review of our service health telemetry indicates errors associated with impact have decreased and successful notification delivery is increasing. We're continuing to monitor, and users will need to open the application in order to receive the fix. Scope of impact: Some users expecting to receive meeting start notifications in Microsoft Teams on Android devices may be impacted. This information may be updated as our investigation continues. Start time: Tuesday, October 13, 2026, at 11:03 PM UTC Root cause: A recent notification service change intended to address an unrelated issue affected meeting-started notifications for Android users. Next update by: Friday, October 16, 2026, at 10:00 PM UTC

Title: Some users may not receive meeting-started notifications on Android devices User impact: Users may not receive meeting-started notifications on Android devices. Current status: We’ve identified that a recent change to the notification service, intended to address an unrelated issue, inadvertently caused meeting-started notifications to fail for Android users. We’re reverting the affected change to mitigate the impact and expect to provide completion timeline by our next schedule update. Scope of impact: Some users expecting to receive meeting start notifications in Microsoft Teams on Android devices may be impacted. This information may be updated as our investigation continues. Start time: Tuesday, October 13, 2026, at 11:03 PM UTC Root cause: A recent notification service change intended to address an unrelated issue affected meeting-started notifications for Android users. Next update by: Thursday, October 15, 2026, at 5:30 PM UTC

Title: Some users may not receive meeting start notifications in Microsoft Teams on Android devices User impact: Users may not receive meeting start notifications in Microsoft Teams on Android devices. Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix. Scope of impact: Some users expecting to receive meeting start notifications in Microsoft Teams on Android devices may be impacted. This information may be updated as our investigation continues. Next update by: Thursday, October 15, 2026, at 10:30 AM UTC