Restore access with the OAuth login flow.
Section: Authentication troubleshooting
Re-run Copilot login
bash
bash
copilot loginExplanation
The official fix for missing or expired credentials is often to sign in again.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Authentication troubleshooting
Check GitHub CLI authentication status
Verify whether GitHub CLI is already logged in.
Check whether the Copilot token env var is set
Inspect the highest-priority token variable.
Set a fine-grained token for CLI auth
Export a supported token into the current shell.
Print the installed CLI version for support
Check whether your binary is current.