Select the Authentication tab.
The Administrator Authentication Configuration button defines the authentication service for administrators only. This attribute can be used if the authentication module for administrators needs to be different from the module for end users. The modules configured in this attribute are picked up when the Access Manager console is accessed.
Click New in the Module Instances list.
Enter a Name for the authentication module instance. The names must be unique.
Select the Type of authentication module type for the realm.
Click the name of the newly created module instance and edit the properties for that module. See the Authentication section in the online help for definitions for the properties for each module type.
Repeat these steps to add multiple module instances.