Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users can’t create meeting events in their Microsoft Teams calendar – RESOLVED

22/08/2024 09:00:00 AM

NHSmail Reference: INC45177311

Microsoft Reference: TM868722

Issue Status: RESOLVED

Issue Description: Users can’t create meeting events in their Microsoft Teams calendar.

Final Update: 22/08/2024 09:00:00 AM – Microsoft have validated that a portion of Microsoft Teams calendar infrastructure was failing due to an unexpected functionality issue with the component responsible for traffic flow. They have disabled this portion of infrastructure and have rerouted traffic to a healthy portion of infrastructure to alleviate impact.

Scope of impact: Your organization is impacted by this event, and users can’t create meeting events in their Microsoft Teams calendar.

Root cause: A portion of Microsoft Teams calendar infrastructure was failing due to an unexpected functionality issue with the component responsible for traffic flow.

Next steps: Microsoft are analyzing the affected infrastructure to understand how to avoid impact like this in the future.