Claude outage: login auth issues hit claude.ai and Claude Code, plus M365 connector errors
op7418 · x · 2026-11-13
Anthropic's status page confirms major errors across claude.ai, Claude Code, and platform.claude.com, with the team investigating authentication issues preventing users from logging in.
A separate ongoing incident stems from an upstream Microsoft 365 outage: the connector's mail, calendar, and search tools can't process most requests, and Claude in Outlook is also affected. Microsoft is restarting affected servers, and Anthropic will update once service recovers.
Related event: Claude suffers widespread authentication outage, fix deployed at 11:05 UTC(7 posts)→
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