Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may intermittently see an incorrect presence state using any Microsoft Teams client – RESOLVED
10/10/2024 08:55:00 AM
NHSmail Reference: INC46158890
Microsoft Reference: TM907341
Issue Status: RESOLVED
Issue Description: Some users may intermittently see an incorrect presence state using any Microsoft Teams client.
More Info: Users may have shown as offline, status unknown, or their presence may have been outdated.
Final Update: 10/10/2024 08:55:00 AM – Further analysis has identified that the database infrastructure encountered an unexpected increase in CPU usage, resulting in impact. Microsoft have completed their rebalancing efforts and validated this has remediated impact with affected users and service telemetry.
Scope of impact: Any user serviced through the impacted infrastructure may have been intermittently affected.
Root cause: A portion of database infrastructure that facilitates presence updates encountered an unexpected increase in CPU usage, resulting in impact.
Next steps: Microsoft are continuing their analysis of service telemetry to identify the underlying cause of the CPU utilization that resulted in impact to better identify and prevent similar impact in the future.