Users in North America may be unable to join Microsoft Teams meetings or experience dropped calls
ID: TM1288323
Issue type: Incident
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Impacted services
Microsoft Teams
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Details
Title: Users in North America may be unable to join Microsoft Teams meetings or experience dropped calls
User impact: Users in North America may have been unable to join Microsoft Teams meetings or experienced dropped calls.
More info: Users may have also experienced degraded video and audio quality.
Final status: After an extended period of monitoring, we confirmed through service health telemetry that this issue is resolved.
Scope of impact: Users hosted within North America, primarily the Eastern US-region and Canada, attempting to join Microsoft Teams meetings may have been impacted.
Start time: Wednesday, April 22, 2026, at 3:00 PM UTC
End time: Wednesday, April 22, 2026, at 7:25 PM UTC
Preliminary root cause: A recent routing configuration update in the network infrastructure that services Microsoft Teams resulted in a drop in network availability, leading to impact.
Next steps:
- To help prevent similar impact in the future, we're further reviewing our testing and validation processes for network routing configuration updates prior to deployment.
We'll provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.
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