Thursday, June 11, 2020

M365 Service Health Notification

Microsoft

Microsoft Teams service alert

Incident information

Title: Unable to access multiple Microsoft Teams services or features
ID: TM215947

Status

Service Restored

Details

Title: Unable to access multiple Microsoft Teams services or features

User Impact: Users may have been unable to access Microsoft Teams meetings or calls, initiate PSTN calls or access Teams Live Events.

Final status: We've monitored the environment and have validated that service has been restored.

Scope of impact: Impact was specific to calls, meetings or Teams Live Events initiated from the North America region.

Start time: Thursday, June 11, 2020, at 2:00 PM UTC

End time: Thursday, June 11, 2020, at 2:40 PM UTC

Preliminary root cause: High resource utilization in our North America data center's caused an issue in which users may have been unable to access Microsoft Teams services, initiate PSTN calls or access Teams Live Events.

Next steps:

- We're reviewing our code for improved performance and potential automated recovery options to reduce or avoid similar impact in the future.

We'll publish a post-incident report within five business days.

Thank you,
The Microsoft team

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