Updated 1:34 p.m. Eastern on November 12, 2026
Claude says it has identified an issue with an upstream provider affecting its Microsoft 365 connector, with the incident currently marked identified.
What is affected
Mail, calendar and search tools are failing for most requests through the Microsoft 365 connector, and new connections may not complete.
Official update timeline
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.
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.
