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This version of GitHub Enterprise Server was discontinued on 2024-03-26. 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 Server. For help with the upgrade, contact GitHub Enterprise support.

About reserved usernames for GitHub Enterprise Server

Certain words are reserved for internal use and cannot be used as usernames.

Who can use this feature?

Enterprise owners can view usernames reserved by GitHub Enterprise Server.

About reserved usernames

GitHub Enterprise Server reserves certain usernames for internal use. You cannot assign reserved usernames to users or organizations on your instance. For example, the following words are reserved:

  • admin
  • enterprise
  • login
  • staff
  • support

Viewing reserved username

You can view a full list of reserved usernames for your GitHub Enterprise Server instance.

  1. In the upper-right corner of any page, click .
  2. In the left sidebar, click Reserved logins.