Understanding IAM for enterprises
You can use GitHub Enterprise Server's built-in authentication, or you can centrally manage authentication and access to your instance with CAS, LDAP, or SAML.
About identity and access management
Administrators for a GitHub Enterprise Server instance must decide how users will access the instance.
About SAML for enterprise IAM
You can use SAML single sign-on (SSO) to centrally manage access to your GitHub Enterprise Server instance.
Changing authentication methods
You can change the way GitHub Enterprise Server authenticates with your existing accounts at any time.
Allowing built-in authentication for users outside your provider
You can configure fallback authentication to allow built-in authentication for people who don't have an account on your CAS, LDAP, or SAML authentication provider.
Troubleshooting identity and access management for your enterprise
Review common issues and solutions for identity and access management for your enterprise.