Claude (Anthropic) outage, 12 November 2026
Elevated errors affecting the Microsoft 365 connector
- Started
- Status
- Ongoing: Monitoring
- Impact
- Major
- Affected
- claude.ai, Claude Cowork
Is this still happening?
Yes. Claude (Anthropic) still lists it as monitoring; last update 13 Nov 2026, 15:40 UTC.
Right now: Claude (Anthropic) reports a partial outage. (as of 13 Nov, 19:57 UTC) Live Claude (Anthropic) status
At a glance
- Claude (Anthropic) rated this a major incident (partial outage).
- Half of the 38 resolved Claude (Anthropic) incidents we recorded were fixed within 1 h 13 min.
- Claude (Anthropic) had 13 other incidents in the 30 days before it.
- 5 earlier incidents look like the same kind of problem (same affected part or wording); the most recent was on 13 Nov 2026.
Our summary from the Claude (Anthropic) incidents we have recorded since 24 Aug 2026 - how we count.
Last update from Claude (Anthropic)
We're seeing signs of recovery for the Microsoft 365 connector. Claude for Outlook is also recovering. Some SharePoint search requests are still returning errors. Microsoft's incident remains open, so errors may return. We're continuing to monitor and will update this post as soon as we have more info.
Read the full incident on the official Claude (Anthropic) status page
Similar Claude (Anthropic) incidents
Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.
-
, resolved after 3 h 46 min
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, resolved after 1 h 48 min
-
, resolved after 4 h 16 min
-
, resolved after 2 h 28 min
Elevated errors on claude.ai, the Claude API, and Claude Code
-
, resolved after 1 h 59 min
Elevated errors on claude.ai, Claude Code, and platform.claude.com
Other recent Claude (Anthropic) incidents
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