The value of the RS_source_db parameter must match the primary database name in the Replication Server create connection command that LTM for MVS issues to connect the primary database to Replication Server.
Obtain your site’s value for the RS_source_db parameter from the Replication Agent Installation Worksheet. This value should have been recorded on the worksheet during installation.
See Chapter 3, “Replication Agent Installation Worksheet,” for further details.