GitHub Enterprise Cloud - EU Outage History

GitHub Enterprise Cloud EU experienced a major disruption affecting Copilot Coding Agent sessions, preventing users from starting and viewing agent sessions. The incident lasted 1 hour, with GitHub identifying the root cause and implementing a mitigation that restored service functionality.

GitHub Enterprise Cloud EU experienced a major incident affecting Copilot services for 3.9 hours. Users encountered errors accessing Copilot Coding Agent features, including inability to view or start coding agent tasks, session logs not loading, and sessions intermittently failing to start, though users could still see existing tasks and create new ones. The incident was resolved after engineers identified and fixed an underlying credential issue that was impacting multiple environments.

GitHub Enterprise Cloud EU experienced a 31-minute service disruption affecting Codespaces functionality, with users unable to start, resume, or connect to their development environments. The incident impacted performance across some GitHub services and prevented access to development environments during the outage. The issue was resolved and normal service was restored.

GitHub Enterprise Cloud EU experienced a 20-minute service disruption affecting mission control task visibility, where users were temporarily unable to see tasks listed in mission control surfaces. The ability to submit new tasks, view existing tasks via direct links, and manage tasks remained functional throughout the incident. The issue was resolved by deploying a revert, and service recovery was confirmed.

GitHub Enterprise Cloud EU experienced degraded performance in Copilot services, specifically affecting the gpt-5.3-codex model in Copilot Chat, VS Code, and other Copilot products due to an upstream model provider issue. The incident lasted 26 minutes and was resolved after GitHub worked with the upstream provider to address the problem.

GitHub Enterprise Cloud EU experienced an incident where Claude Opus 4.6 Fast was not appearing for some Copilot users, while reports of degraded Copilot performance were also investigated. The issue affected the Copilot service for 42 minutes before being resolved. GitHub confirmed that no users lost access to Claude Opus 4.6 during the incident.

GitHub Enterprise Cloud EU experienced degraded performance affecting Copilot services for 1.2 hours. The issue was identified and mitigated, with services recovering after the fix was applied. The incident was fully resolved with Copilot returning to normal operation.

GitHub Enterprise Cloud EU experienced degraded performance with Copilot for 47 minutes on February 26, 2026. Users reported performance issues with the Copilot service during this period. The incident was resolved and GitHub indicated they would provide a detailed root cause analysis.

GitHub Enterprise Cloud EU experienced degraded performance with Copilot Agent Sessions affecting CCA/CCR functionality for 10 minutes. The incident impacted Copilot services and was resolved after investigation. A detailed root cause analysis will be provided once available.

GitHub Enterprise Cloud EU experienced degraded performance with Copilot for 1.4 hours on February 23, 2026. Users reported performance issues with the Copilot service during this period. The incident was resolved and Copilot returned to normal operation.