Monitoring - A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Nov 13, 2026 - 11:05 UTC
Nov 13, 2026 - 11:05 UTC
Investigating - We are investigating an issue with users authenticating to Claude.ai and Claude Code. We will provide an update as soon as possible.
Nov 13, 2026 - 09:58 UTC
Nov 13, 2026 - 09:58 UTC
Update - 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.
Nov 12, 2026 - 22:23 UTC
Nov 12, 2026 - 22:23 UTC
Update - 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.
Nov 12, 2026 - 21:18 UTC
Nov 12, 2026 - 21:18 UTC
Update - 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.
Nov 12, 2026 - 20:28 UTC
Nov 12, 2026 - 20:28 UTC
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.
Nov 12, 2026 - 18:34 UTC
Nov 12, 2026 - 18:34 UTC
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.
Nov 12, 2026 - 17:52 UTC
Nov 12, 2026 - 17:52 UTC
claude.ai
Major Outage
Claude Console (platform.claude.com)
Operational
Claude API (api.anthropic.com)
Operational
Claude Code
Operational
Claude Cowork
Degraded Performance
Claude for Government
Operational
Claude on Cloud Platforms
Operational
Claude Platform on AWS
Operational
Claude in Microsoft Foundry
Operational
Claude Models on Google Cloud (Anthropic managed)
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.