Pexip incident
Intermittent Microsoft Teams CVI and MTR Call Failures in the US Washington PoP
Resolved after 20 hours 17 minutes, affecting Connect for Microsoft Teams Meetings, on September 10, 2025.
This incident has been resolved. Monitoring confirms no further issues since 2025-09-10 16:45 UTC, and all systems are functioning as expected.
Affected components
Update timeline
- identified Sep 10, 2025, 12:37 PM UTC
Since 11:50 AM UTC we have observed intermittent Microsoft Teams Cloud Video Interop (CVI) and Microsoft Teams Rooms (MTR) call failures caused by an issue in a third-party cloud provider’s infrastructure. As a mitigation, we are rerouting CVI and MTR calls to alternate locations and are closely monitoring the status of the provider’s incident.
- monitoring Sep 10, 2025, 01:28 PM UTC
Our checks indicate the issue is resolved and call functionality has returned to normal. We will continue monitoring to further verify.
- identified Sep 10, 2025, 04:25 PM UTC
We have identified a packet loss issue affecting calls routed through the QSF (US West) PoP and are working on remediation.
- monitoring Sep 10, 2025, 04:51 PM UTC
The network team has applied a fix for the QSF (US West) packet loss issue, and we are currently monitoring the results.
- resolved Sep 11, 2025, 08:54 AM UTC
This incident has been resolved. Monitoring confirms no further issues since 2025-09-10 16:45 UTC, and all systems are functioning as expected.
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