Section: Authentication troubleshooting

Re-run Copilot login

bash
bash
copilot login
Explanation

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.
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Check whether the Copilot token env var is set
Inspect the highest-priority token variable.
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Check GH_TOKEN
Inspect the GitHub CLI token env var.
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Check GITHUB_TOKEN
Inspect the fallback GitHub token env var.
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Set a fine-grained token for CLI auth
Export a supported token into the current shell.
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Print the installed CLI version for support
Check whether your binary is current.
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