# Anthropic: Incident updated: Elevated errors affecting the Microsoft 365 connector

> Incident updated: Elevated errors affecting the Microsoft 365 connector. Detected 2026-11-12 by Rewindex: what changed on Anthropic’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/rb5cd81a6111aab
Last updated: 2026-11-12T21:23:39Z

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-11-12 21:23 UTC · Detected: 2026-11-12 21:23 UTC
- [Source: https://status.claude.com/incidents/sqn3fg1l96dl](https://status.claude.com/incidents/sqn3fg1l96dl)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)
- Versions: before incident\_version:1/sqn3fg1l96dl@b9e0868c4050 → after incident\_version:1/sqn3fg1l96dl@7eaff7fe552b
- Change 4 of 5 for this incident

Incident page (full timeline): [Elevated errors affecting the Microsoft 365 connector](https://rewindex.com/company/anthropic/incidents/sqn3fg1l96dl.md)
## What changed

**1. Added: Update** (identified) · 2026-11-12 21:18 UTC

```diff
+ We are continuing to work with our upstream provider, who is restarting affected servers. Mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests, and Claude for Outlook remains affected. We will provide another update as soon as we have more information.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-11-12 17:52 UTC | [Major incident: Elevated errors affecting the Microsoft 365 connector](https://rewindex.com/change/i389de69e553021.md) | major |
| 2026-11-12 18:43 UTC | [Incident updated: Elevated errors affecting the Microsoft 365 connector](https://rewindex.com/change/r6f558485e3f13e.md) |  |
| 2026-11-12 20:33 UTC | [Incident updated: Elevated errors affecting the Microsoft 365 connector](https://rewindex.com/change/r36f4c5e666e19c.md) |  |
| 2026-11-12 21:23 UTC | Incident updated: Elevated errors affecting the Microsoft 365 connector (this change) |  |
| 2026-11-12 22:33 UTC | [Incident updated: Elevated errors affecting the Microsoft 365 connector](https://rewindex.com/change/r0bf4e3895c85c4.md) |  |

Previous: [change](https://rewindex.com/change/r36f4c5e666e19c.md) · Next: [change](https://rewindex.com/change/r0bf4e3895c85c4.md) · All Anthropic changes: [timeline](https://rewindex.com/company/anthropic/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Incident updated: Elevated errors affecting the Microsoft 365 connector on Anthropic’s status page, changed 2026-11-12 21:23 UTC (change 4 of 5).

- Canonical URL: https://rewindex.com/change/rb5cd81a6111aab
- Citation: Anthropic, “Incident updated: Elevated errors affecting the Microsoft 365 connector” (2026-11-12 21:23 UTC). Archived by Rewindex: https://rewindex.com/change/rb5cd81a6111aab (CC BY 4.0).
- Markdown link: `[Anthropic: Incident updated: Elevated errors affecting the Microsoft 365 connector (2026-11-12)](https://rewindex.com/change/rb5cd81a6111aab)`


---
Canonical: https://rewindex.com/change/rb5cd81a6111aab · Markdown: https://rewindex.com/change/rb5cd81a6111aab.md · JSON: https://rewindex.com/api/v1/changes/rb5cd81a6111aab · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-13T02:24:25.141Z