You can create custom messages that users will see on the sign in and sign out pages. For more information, see "Customizing user messages on your instance."
Configuring built-in authentication
- From an administrative account on GitHub Enterprise Server, click  in the upper-right corner of any page.
 
- In the left sidebar, click Management Console.
 
- In the left sidebar, click Authentication.
 
- Select Built in authentication.
 
Two-factor authentication
When using LDAP or built-in authentication, two-factor authentication is supported. Organization administrators can require members to have two-factor authentication enabled.
Creating your account and adding users
Once your instance has been created, you'll need to create your own admin account and use it to provision users.
- On the "Create Admin Account" page at http(s)://[hostname]/join, choose your username, password, and email address, then click Create an account. 
- Sign in to your GitHub Enterprise Server instance at http(s)://HOSTNAME/login.
- From an administrative account on GitHub Enterprise Server, click  in the upper-right corner of any page.
 
- In the left sidebar, click Invite user.
 
- Type the username and email address for each of the user accounts that you'd like to create, then click Generate a password reset link.
