Microsoft 365 Alert : Service Degradation – Microsoft Teams – Some users are unable to access files in Microsoft Teams channels – RESOLVED

25/07/2022 08:47:00 AM (BST)

Issue Reported : 06/07/2022 01:00:00 AM 

Microsoft Reference : TM402269

NHSmail Reference : INC30715567

Issue Status : RESOLVED

Issue Description : Some users are unable to access files in Microsoft Teams channels

Scope of impact : Your organization is affected by this event and some users can’t access their files within Microsoft Teams channels.

Final Update : 25/07/2022 08:59:00 AM – Microsoft have completed reverting the offending change and confirmed with internal telemetry that the issue is resolved.

Root Cause : A recent service update has introduced an IP routing issue that is preventing users from accessing files within Microsoft Teams channels.

Next steps : Microsoft are continuing to review the code issue to further their understanding of how impact took place, improve future service updates, and prevent similar issues from recurring.

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