You can enable the PowerCenter Repository Service when you create it or after you create it. You need to enable the PowerCenter Repository Service to perform the following tasks in the Administrator tool:
Assign privileges and roles to users and groups for the PowerCenter Repository Service.
Create or delete content.
Back up or restore content.
Copy content from another PowerCenter repository.
Register or unregister a local repository with a global repository.
Promote a local repository to a global repository.
Manage user connections and locks.
Send repository notifications.
You must disable the PowerCenter Repository Service to run it in it exclusive mode.
Before you disable a PowerCenter Repository Service, verify that all users are disconnected from the repository. You can send a repository notification to inform users that you are disabling the service.