The Repository Configuration Utility (RCU) is a necessary prerequisite for the creation of clustered domains in WebLogic 12c. It is recommended to install Forms and Reports Services as a clustered domain, even if it is for a single node, so it is also a prerequisite for those installations. - Assumptions - Repository Configuration Utility (RCU) Related articles. The images were originally captured from a 12.2.1.0 installation. The process is the same for 12.2.1.2. Start the Repository Configuration Utility (RCU). Click the "Next" button on the welcome page. Accept the "Create Repository" and "System Load and Product Load" options by clicking the "Next" button.

Enter the database connection details and click the "Next" button.

If all the prerequisite checks are successful, click the "OK" button.

Enter a schema prefix, select the components of interest and click the "Next" button. For Forms and Reports Services, you should check the "Oracle Platform Security Services" option, which will automatically select others.

If all the prerequisite checks are successful, click the "OK" button.

Enter the credentials for the schemas and click the "Next" button.

Use the "Manage Tablespaces" button to adjust the defaults, or accept the defaults by clicking the "Next" button.

Accept the tablespace creation confirmation by clicking the "OK" button.

Once the tablespaces are created click the "OK" button.

If you are happy with the summary information, click the "Create" button.

Wait while the repository creation takes place.

Exit the utility by clicking the "Close" button.

The repository creation is complete. For more information see: Hope this helps. Regards Tim...