Microsoft 365 authentication issue causes Microsoft Teams and other services to stop



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Microsoft is investigating an authentication problem impacting multiple Microsoft 365 cloud services, including Microsoft Teams, as well as Xbox live.

The company said the problem started just after noon PT on Monday and could affect users all over the world. Update: Microsoft mentionned it rolls back an update to its authentication system to mitigate the impact. Update # 2: Microsoft said it was addressing “the technical difficulties while rolling back the problematic update.” We are working to resolve these issues while exploring additional remediation options in parallel. ” Update 3: Microsoft said he has identified the underlying cause of the problem and is taking steps to mitigate the effects.

Microsoft will provide updates on the Azure status page, on the Office status page, and on Twitter.

Many users reported issues.

Team usage has skyrocketed over the past year – reaching 115 million daily active users in October – as businesses, school districts and others rely on the communications tool at the middle of the pandemic.

Microsoft is facing a widespread cybersecurity attack on its Exchange servers. It is not known if today’s outage is connected. We’ll update this article as we learn more.



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