Admins may be unable to review Service health or Message center postings in the Microsoft 365 admin center

User impact: Admins may be unable to review Service health or Message c enter postings in the Microsoft 365 admin center. More info: Users may also see nothing in the "What's new" tab in the Microsoft Teams admin center and are returned an error stating "We can't load data. Try again." Current status: We've received reports from a subset of affected users who have reported that they are unable to review Service health or Message c enter postings in the Microsoft 365 admin center or see new activities in the “What’s new” tab in the Microsoft Teams admin center. We've isolated that a recent service update introduced a misconfiguration which cause s the Service Health and Communications API to return authentication errors, resulting in impact. We're rolling back the offending update and monitoring for remediation. We anticipate impact to be resolved by our next scheduled update. Scope of impact: This issue affects some admins who may be unable to review Service health or Message c enter postings in the Microsoft 365 admin center or see new activities in the “What’s new” tab in the Microsoft Teams admin center. This section may be updated as the investigation progresses. Start time: Monday, October 12, 2026, at 9:54 PM UTC Estimated time to resolve: We anticipate impact to be resolved by Tuesday, October 13, 2026, at 8:00 PM UTC. Root cause: A recent service update introduced a misconfiguration which cause s the Service Health and Communications API to return authentication errors, resulting in impact. Next update by: Tuesday, October 13, 2026, at 8:00 PM UTC

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