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Microsoft cloud outage disrupts email, Teams and administration tools
Developing story first seen 1 hour ago
Microsoft had not yet restored its cloud services, and its attempted fixes had not delivered the expected improvement. The outage disrupted email and work tools for customers, while administrators also lost access to some services used to diagnose and manage the problem.
The incident began at about 18:00 UTC on 12 November and affected Exchange Online, Teams, Copilot 365, Defender for Office 365 and Intune. Microsoft said an overwhelmed core process was causing affected servers to stop responding and lose capacity; an alternative health check brought some servers back, but the company had given no timeline for full recovery.
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In short
- Microsoft’s cloud outage was still ongoing, with no full recovery estimate.
- An overwhelmed server process was contributing to capacity loss.
- Email, Teams and administration tools were affected.
How this story developed
- 14 minutes ago Microsoft is struggling to restore cloud services after a server process became overwhelmed, leaving services including Exchange Online, Teams, Copilot 365 and Defender for Office 365 unavailable. The outage also affected Intune and other administration tools, disrupting customers’ email and work.
- 18 minutes ago Microsoft had not yet restored its cloud services, and its attempted fixes had not delivered the expected improvement. The outage disrupted email and work tools for customers, while administrators also lost access to some services used to diagnose and manage the problem.
Explained simply
Microsoft’s cloud services host email, messaging, security and device-management tools used by organisations to run daily work. Exchange Online handles email, while Teams supports calls and chat; other services help manage computers and protect messages.
Microsoft runs the servers behind these services and monitors them with automated checks that assess whether systems are working properly. When those checks or the processes they rely on fail, customers may lose access to several tools at once, affecting communication and routine administration.
Coverage · 2 sources
Read the full article at the source →
Originally published by The Register as “Microsoft struggling to fix massive cloud outage that’s taken down email and Intune”.