Editing authentication servers
You can change the port that the Unified Manager server uses to communicate with your authentication server.
What you’ll need
You must have the Application Administrator role.
In the left navigation pane, click General > Remote Authentication.
Check the Disable Nested Group Lookup box.
In the Authentication Servers area, select the authentication server that you want to edit, and then click Edit.
In the Edit Authentication Server dialog box, edit the port details.