Microsoft Teams outage affecting users in Europe and the United States
Service Disruption
Summary
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The ongoing Microsoft Teams outage is disrupting access, sign-in, meeting joins, and inline-media chat for some users in Europe and the United States, creating immediate collaboration delays. Microsoft has marked the issue as service degradation under TM1233974 while engineers review telemetry to isolate the root cause. The disruption matters because it affects core communication workflows in a widely used enterprise platform.
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Timeline
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17.02.2026 17:37 2 articles · 4mo ago
Microsoft Teams outage disrupts chat, sign-in, and meetings
Initial DisclosureMicrosoft is working to resolve an ongoing Microsoft Teams outage affecting some users in Europe and the United States, with delays and failures when sending and receiving chat messages that include inline media, problems joining meetings with the Teams desktop client, trouble accessing the Teams app, and sign-in failures. Microsoft says the issue is tagged as service degradation under TM1233974, and engineers are reviewing service monitoring telemetry to isolate the root cause and develop a remediation plan.
Show sources
- Microsoft Teams outage affects users in United States, Europe — www.bleepingcomputer.com — 17.02.2026 17:37
- Microsoft Teams outage affects users in United States, Europe — www.bleepingcomputer.com — 17.02.2026 17:37