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.