This version of GitHub Enterprise will be discontinued on 2022-09-28. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
If you don't use a centralized, external system for your users' identity, you can use built-in authentication to allow GitHub Enterprise Server to manage accounts and perform local authentication.