1. Access the Management Console.

  2. At the top of the page, click the Settings tab. Settings tab

  3. On the left side of the page, click Privacy. Authentication tab

  4. Select Enable avatars. Enable avatars checkbox

  5. Under Service address, type the URL of your avatar host or leave the text field empty to use the default value of https://secure.gravatar.com. Service address text field

  6. Under Identicons host, choose either your local GitHub Enterprise appliance or GitHub.com. The identicons host must be accessible by the avatar service via HTTP or HTTPS. Identicons host dropdown menu

  7. At the bottom of the page, click Save settings. Save settings button

  8. Wait for the configuration run to complete. Configuring your instance