Sunday, June 14, 2020

M365 Service Health Notification

Microsoft

Microsoft 365 suite service alert

Incident information

Title: Error when attempting to access Microsoft 365 services
ID: MO216274

Status

Service Restored

Details

Title: Error when attempting to access Microsoft 365 services

User Impact: Users may have received an error when attempting to access Microsoft 365 services.

More info: Users may have received the following error message: "AADSTS90033: A transient error had occurred. Please try again."

Microsoft Teams - Teams Live Events were impacted by this issue.

Intune - Device check-ins may have intermittently failed.

Final status: We redistributed traffic within the affected infrastructure and have validated that service has been restored.

Scope of impact: Users hosted in the Australia and New Zealand region may have been affected by this event.

Start time: Sunday, June 14, 2020, at 11:00 PM UTC

End time: Monday, June 15, 2020, at 1:40 AM UTC

Preliminary root cause: An increase in traffic within a portion of infrastructure responsible for Microsoft 365 access had caused an issue in which users were unable to authenticate to Microsoft 365 services.

Next steps:

- We're analyzing performance data and trends on the affected systems to help prevent this problem from happening again.

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

Thank you,
The Microsoft team

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