GitHub Copilot authentication failed: causes and fixes
Is there an outage right now?
GitHub Copilot official status is operational. If this error persists, it is likely an implementation or environment issue on your side.
View GitHub Copilot status →What this error means
Copilot sign-in/auth failed. Causes: expired GitHub token, re-auth required, org SSO/policy, no assigned seat, or network.
Common causes
- •Expired GitHub auth token
- •Re-sign-in required
- •Org SSO / access policy
- •No Copilot seat assigned
- •Network/proxy interference
How to fix
- 1.Re-sign in to GitHub
- 2.Sign out and back in to Copilot in your editor
- 3.Check your org Copilot seat assignment
- 4.Refresh SSO/SAML authorization
- 5.Check proxy/network
- 6.Check status at the top of this page
When waiting helps (and when it won't)
If the auth system is down, waiting helps. Usually re-signing in or checking seat assignment resolves it.
Alternatives when GitHub Copilot is down
Related errors
FAQ
What is Authentication failed?
Copilot sign-in/auth failed. Causes: expired GitHub token, re-auth required, org SSO/policy, no assigned seat, or network.
How do I fix Authentication failed?
Re-sign in to GitHub / Sign out and back in to Copilot in your editor / Check your org Copilot seat assignment / Refresh SSO/SAML authorization / Check proxy/network / Check status at the top of this page