Microsoft 365 outage impacts Exchange Online, Teams, Sharepoint

Microsoft 365 outage impacts Exchange Online, Teams, Sharepoint

November 25, 2024 at 10:59AM

Microsoft is addressing a significant outage affecting Microsoft 365 services, including Exchange Online, Teams, and SharePoint. Since the issue began six hours ago, users reported problems with various services. Microsoft is deploying fixes and monitoring progress, having successfully restored approximately 60% of the affected environments.

### Meeting Takeaways

1. **Ongoing Outage**: Microsoft is addressing a widespread outage affecting Microsoft 365 services, notably Exchange Online, Microsoft Teams, and SharePoint Online, which has been occurring for approximately six hours.

2. **User Reports**: Thousands of reports have been received from users experiencing difficulties with multiple services, including OneDrive, Purview, Copilot, and Outlook (both web and desktop).

3. **Incident Acknowledgement**: Microsoft acknowledged the issues via an incident report (MO941162) in the admin center, stating that users are having trouble accessing Exchange Online and certain functionalities in Microsoft Teams.

4. **Scope of Impact**: The outage prevents access to Exchange Online through various platforms (web, desktop, REST, EAS), and may also affect Microsoft Fabric, Microsoft Bookings, and Microsoft Defender for Office365.

5. **Cause of Outage**: The outage is attributed to a “recent change” made by Microsoft. The company has deployed a fix on the affected infrastructure and initiated manual restarts of some impacted systems.

6. **Progress on Fix**: As of one hour ago, the fix has been deployed to approximately 60% of affected environments. Microsoft is continuing manual restarts on the remaining machines that are experiencing issues.

7. **Monitoring Status**: Microsoft is closely monitoring the rollout of the fix. Current reports indicate no issues with overall network health or availability from Microsoft’s health status pages.

8. **Historical Context**: In July, Microsoft experienced a similar global outage affecting multiple services, which was later linked to a DDoS attack.

### Action Items
– Continuously monitor updates from Microsoft regarding the outage resolution.
– Review the list of impacted services for any immediate operational needs.
– Prepare for potential follow-up communications with affected users once the situation stabilizes.

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