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Microsoft Teams messaging delay outage

Service Disruption
First reported
Last updated
Happening score
H score 25
1 unique sources, 1 articles

Summary

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Microsoft Teams is experiencing messaging delays and related service-function issues, disrupting communication for thousands of users across all regions, including the United States and Europe. The issue began at 14:30PM ET, and Microsoft says it is investigating while telemetry shows recovery. The disruption matters because users may be unable to send messages reliably or use other Teams functions during the outage.

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Timeline

  1. 19.12.2025 22:04 2 articles · 5mo ago

    Microsoft Teams outage and investigation

    Initial Disclosure

    Microsoft Teams began experiencing messaging delays and other service-function problems at 14:30PM ET, with thousands of users reporting problems sending messages across all regions including the United States and Europe. Microsoft said it was investigating the issue, observing recovery in telemetry, and continuing analysis to identify the impacted scenarios and determine the cause.

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