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.

IAM configuration reference

You can view reference information about configuration of authentication for your GitHub Enterprise Server instance.

SAML configuration reference

You can see SAML metadata for your GitHub Enterprise Server instance, and you can learn more about available SAML attributes and response requirements.

Username considerations for external authentication

When you use CAS, LDAP, or SAML for authentication, GitHub follows certain rules to determine the username for each user account on your instance.