Microsoft 365 Alert : Service degradation – Microsoft Teams – Users may have issues creating and updating meetings via calendar in Microsoft Teams – RESOLVED

07/06/2022 09:08:00 AM (BST)

Issue Reported : 07/06/2022 05:10:00 AM 

Microsoft Reference : TM389699  

NHSmail Reference : INC29439962

Issue Status : RESOLVED

Issue Description : Users may have issues creating and updating meetings via calendar in Microsoft Teams.

Scope of impact : Impact is specific to users who are served through the affected infrastructure.

Final Update : 07/06/2022 10:25:00 AM – Microsoft have successfully rerouted user connections to alternate infrastructure and confirmed impact has been remediated after a period of monitoring service telemetry.

Root cause : A section of database infrastructure, which aids the creation and updating process of meetings via the Microsoft Teams calendar, is unexpectedly performing below acceptable performance thresholds.

Next steps : Microsoft are analyzing performance data and trends on the affected infrastructure to help prevent this problem from happening again.

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