e29e9469_IBM_WebSphere_Portal_7_anage_the_federated_repository_Description
[Task] Create a new realm [Description] 
Choose this option to create a realm, which is a group of users from one or more user registries that form a coherent group within WebSphere Portal. Realms allow flexible user management with various configuration options. A realm must be mapped to a Virtual Portal to allow the defined users to log in to the Virtual Portal. In a federated repository, you can create multiple realms.
IBM®WebSphere Portal 7