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Disruption with some GitHub services

Incident Report for GitHub

Resolved

Between 2026-01-16 16:17 and 2026-01-17 02:54 UTC, some Copilot Business users were unable to access and use certain Copilot features and models. This was due to a bug with how we determine if a user has access to a feature, inadvertently marking features and models as inaccessible for users whose enterprise(s) had not configured the policy.

We mitigated the incident by reverting the problematic deployment. We are improving our internal monitoring and mitigation processes to reduce the risk and extended downtime of similar incidents in the future.
Posted Jan 17, 2026 - 02:54 UTC

Update

The fix has been deployed and the issue resolved. We will continue to monitor any incoming reports.
Posted Jan 17, 2026 - 02:54 UTC

Update

The deployment of the fix is still ongoing. We are now targeting 3:00 AM UTC for full resolution.
Posted Jan 17, 2026 - 02:25 UTC

Update

The deployment is still in progress. We are still targeting 2:00 AM UTC for full resolution.
Posted Jan 17, 2026 - 02:21 UTC

Update

Deployment of the fix is in progress. We are still targetting 2:00 AM UTC for full resolution.
Posted Jan 17, 2026 - 01:28 UTC

Update

Some enterprise Copilot CLI users may encounter an "You are not authorized to use this Copilot feature" error. We have identified the root cause and are currently deploying a fix. Expected resolution: within 2 hours.
Posted Jan 17, 2026 - 00:08 UTC

Update

We received multiple reports of 403s when attempting to use the Copilot CLI. We have identified the root cause and are rolling out a fix for affected customers.
Posted Jan 16, 2026 - 23:53 UTC

Investigating

We are investigating reports of impacted performance for some GitHub services.
Posted Jan 16, 2026 - 23:53 UTC