MO1321911: Microsoft 365 suite Service Health Incident (Service Restored)

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365 Service Alert

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May 28, 2026, 7:08:40 PMMay 28
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Some admins may be unable to view usage reports in the Microsoft 365 admin center.                                                                                                                                                                                                                          
Microsoft

Some admins may be unable to view usage reports in the Microsoft 365 admin center

ID: MO1321911

Issue type: Incident

Status

Service Restored

Impacted services

Microsoft 365 suite

Details

Title: Some admins may be unable to view usage reports in the Microsoft 365 admin center

User impact: Admins were unable to view usage reports in the Microsoft 365 admin center.

Final status: The deployment of the fix has completed and we've confirmed it successfully resolved the issue.

Scope of impact: Some admins attempting to view usage reports in the Microsoft 365 admin center may have been impacted.

Start time: Monday, May 18, 2026, at 11:00 PM UTC

End time: Thursday, May 28, 2026, at 10:15 PM UTC

Root cause: A recent service change related to a backend infrastructure migration contained a code issue which was causing impact.

Next steps: - We're reviewing our service change procedures to better understand why the code issue wasn't detected prior to the migration.

We'll provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.

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