Companies/GitHub Copilot/Incidents

GitHub Copilot: Incident with Codespaces

Timeline of updates

1. resolved2025-09-17 17:55 UTC

   On September 17, 2025 between 13:23 and 16:51 UTC some users in West Europe experienced issues with Codespaces that had shut down due to network disconnections and subsequently failed to restart. Codespace creations and resumes were failed over to another region at 15:01 UTC. While many of the impacted instances self-recovered after mitigation efforts, approximately 2,000 codespaces remained stuck in a "shutting down" state while the team evaluated possible methods to recover unpushed data from the latest active session of affected codespaces. Unfortunately, recovery of that data was not possible. We unblocked shutdown of those codespaces, with all instances either shut down or available by 8:26 UTC on September 19. The disconnects were triggered by an exhaustion of resources in the network relay infrastructure in that region, but the lack of self-recovery was caused by an unhandled error impacting the local agent, which led to an unclean shutdown. We are improving the resilience of the local agent to disconnect events to ensure shutdown of codespaces is always clean without data loss. We have also addressed the exhausted resources in the network relay and will be investing in improved detection and resilience to reduce the impact of similar events in the future.

From GitHub Copilot’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.

Impact, status and times are the vendor’s own, as last archived. View on www.githubstatus.com (opens in new tab).

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