Users may be unable to send messages after a recipient of a new chat accepts the request

Update timeline

1. monitoring Jul 28, 2026, 05:15 PM UTC

   User impact: Users may be unable to send new messages in Microsoft Teams Free. Current status: We're reviewing scenario telemetry logs to determine why users may be unable to send messages after a recipient of a new chat request accepts in Microsoft Teams Free. Next update by: Tuesday, July 28, 2026, at 6:30 PM UTC

2. monitoring Jul 28, 2026, 06:26 PM UTC

   User impact: Users may be unable to send new messages in Microsoft Teams Free. Current status: We've identified that the process which should occur when a user accepts a new chat isn't trigger as expected. We're continuing to review the scenario telemetry logs to identify why this process isn't completing to determine the root cause and a strategy that remediates impact. Next update by: Tuesday, July 28, 2026, at 8:30 PM UTC

3. monitoring Jul 28, 2026, 08:29 PM UTC

   User impact: Users may be unable to send new messages in Microsoft Teams Free. Current status: Our review of the scenario telemetry logs is taking longer than anticipated, but we're continuing to make progress in understanding the root cause and developing a strategy that remediates impact. Next update by: Tuesday, July 28, 2026, at 10:30 PM UTC

4. monitoring Jul 29, 2026, 12:01 AM UTC

   User impact: Users may be unable to send new messages in Microsoft Teams Free. Current status: We’ve made changes to improve background processing and confirmed through internal monitoring that the impacted scenario is recovering. We’re continuing to monitor the recovery progress to confirm the issue is fully resolved. Next update by: Wednesday, July 29, 2026, at 10:00 AM UTC