The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Effective in version 10.2.1, when you create a Catalog Service, you do not have to provide the details of the Data Integration Service and the Content Management Service that you want to associate with the Catalog Service.
For more information, see the
Informatica Enterprise Data Catalog 10.2 .1 Installation and Configuration Guide