Incident History

Unavailable connectors in Claude.ai desktop applications

We have resolved an issue that resulted in the unavailability of connectors in the Claude.ai desktop application. Affected connectors were removed from organization allowlists, and can be manually re-added while we work to automatically restore impacted allowlists.

1774987925 - 1774997977 Resolved

Opus 4.6 and Sonnet 4.6 error rate elevated

This incident has been resolved.

1774986095 - 1774994953 Resolved

Elevated errors on Claude Opus 4.6

This incident has been resolved.

1774947228 - 1774950281 Resolved

Dispatch sessions not responding in Claude Desktop

The issue affecting Dispatch has been resolved. We fixed an underlying issue that prevent the agent from sending responses to user messages. Please update to Claude desktop app 1.1.9493. We apologize for any inconvenience caused.

1774745601 - 1774759486 Resolved

Elevated errors on Opus 4.6 Fast Mode

This incident has been resolved.

1774702870 - 1774709581 Resolved

Elevated error rates on Opus 4.6

On March 26–27, 2026, customers experienced elevated error rates when using Claude Opus 4.6 and Claude Sonnet 4.6. The issue was caused by a networking performance degradation within our infrastructure that disrupted communication between components of our serving stack. We resolved the incident by migrating the affected workloads to healthy infrastructure, restoring normal service by 9:30 AM PT on March 27.

1774594778 - 1774629984 Resolved

Elevated errors for MCP calls

This incident has been resolved.

1774563940 - 1774564879 Resolved

Elevated errors on Claude Opus 4.6 and Sonnet 4.6

This incident has been resolved.

1774562184 - 1774572570 Resolved

Elevated errors on Claude Opus 4.6

This incident has been resolved.

1774451040 - 1774484070 Resolved

Elevated connection reset errors in Cowork

This incident has been resolved.

1774449233 - 1774623930 Resolved
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