Elevated errors affecting the Microsoft 365 connector
claude.ai, Claude Cowork
Started:
Last official update:
Resolved:
Published incident duration: 1677 minutes.
This incident has been resolved. From 08:03 PT / 16:03 UTC on November 12 to 08:40 PT / 16:40 UTC on November 13, mail, calendar and search tools in the Microsoft 365 connector and Claude for Outlook returned errors for many requests because of a Microsoft 365 service incident. Microsoft is still completing its recovery, so you may see occasional errors or delays.
Read the full official incident ↗
MiniCrafts groups the provider's published notice by affected product. Unconfirmed scope stays unconfirmed. Published incident duration is not a measurement of downtime for every user.
What to do
Switch to ChatGPT, Gemini or a local model until Claude recovers.
Check current product status and troubleshoot · Usage limits and reset rules
Official update timeline
- · resolved
This incident has been resolved. From 08:03 PT / 16:03 UTC on November 12 to 08:40 PT / 16:40 UTC on November 13, mail, calendar and search tools in the Microsoft 365 connector and Claude for Outlook returned errors for many requests because of a Microsoft 365 service incident. Microsoft is still completing its recovery, so you may see occasional errors or delays.
- · monitoring
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.
- · identified
This issue is caused by a Microsoft 365 service incident, and mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests. Claude for Outlook remains affected. You can follow Microsoft's progress at https://status.cloud.microsoft. We will update this post when service is restored.
- · identified
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.
- · identified
We are continuing to work with our upstream provider on this issue. Mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests. Claude for Outlook is also affected: mail and calendar actions may fail, and some users may not be able to open the add-in. We will provide another update within the hour.
- · identified
We have identified an issue with an upstream provider affecting the Microsoft 365 connector. Mail, calendar and search tools are failing for most requests, and new connections to the connector may not complete. We are in contact with them and will provide an update as soon as possible.
- · investigating
We are investigating elevated errors and slow responses affecting the Microsoft 365 connector. Requests to mail, SharePoint, Teams chat and calendar through the connector may fail, and new connections to the connector may not complete. We will provide an update as soon as possible.