Microsoft confirmed a widespread outage Thursday affecting Microsoft 365 services including Teams, Exchange Online, SharePoint, Copilot 365 and Defender XDR, primarily across North and South America. The company said servers had gone offline, causing elevated network load, and that it was rerouting traffic and restarting affected servers while pausing all deployments. By mid-afternoon Microsoft had not confirmed a root cause or resolution timeline.
wired.com
· 2026-11-12
Microsoft confirmed a widespread Microsoft 365 disruption affecting Outlook, Teams, Copilot and SharePoint Online for users across the Americas, with Downdetector logging over 129,000 reports shortly after it began. Microsoft said an unusually large number of servers failed automated health checks and became unavailable, overloading remaining infrastructure, and the company restarted affected systems while rerouting traffic without giving a restoration timeline.
tech.slashdot.org
· 2026-11-12
Microsoft confirmed an outage affecting multiple Microsoft 365 services this afternoon, including Exchange Online, Teams, SharePoint Online, Copilot 365 and Defender XDR. The company's support account acknowledged the issue, and both business/enterprise customers and individual users reported being affected, with some unable to even load the service status page.
engadget.com
· 2026-11-12
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