Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may see incorrect presence information in Microsoft Teams – RESOLVED

22/04/2024 15:07:00 PM

NHSmail Reference: INC42609623

Microsoft Reference: TM782826

Issue Status: RESOLVED

Issue Description: Users may see incorrect presence information in Microsoft Teams.

More info: Users may also see out-of-date Microsoft Teams status’ or out of office notes.

Final Update: 22/04/2024 15:10:00 PM Microsoft completed applying the aforementioned optimization actions and confirmed after a period of monitoring that impact is no longer occurring.

Scope of impact: Impact was specific to some users who were served through the affected infrastructure in Europe, Middle East, and Africa.

Root cause: A section of caching infrastructure, responsible for reflecting correct Microsoft Teams presence information, is performing below acceptable performance thresholds.

Next steps: Microsoft are reviewing performance data and trends on the affected caching infrastructure to understand why the performance issue occurred, in order to help prevent similar impact from happening again.

back to top