This version of GitHub Enterprise Server will be discontinued on 2026-08-25. Discontinued releases are not supported. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features in GitHub Enterprise Server, see Overview of the upgrade process. For help with the upgrade, GitHub Enterprise Support.
Troubleshooting SSH
When using SSH to connect and authenticate to GitHub, you may need to troubleshoot unexpected issues that may arise.
- Recovering your SSH key passphrase
- Error: Permission denied (publickey)
- Error: Bad file number
- Error: Key already in use
- Error: Permission to user/repo denied to other-user
- Error: Permission to user/repo denied to user/other-repo
- Error: Agent admitted failure to sign
- Error: ssh-add: illegal option -- apple-use-keychain
- Error: Unknown key type
- Error: We're doing an SSH key audit