Verify that these items are set correctly:
DSI Name – must be the exact name added to Replication Server sql.ini file (Windows) or to the interfaces file (UNIX) and the connection name used when creating the connection in Replication Server.
Port – can be any available port; however, it should be the port identified in the Replication Server sql.ini file (Windows) or in the interfaces file (UNIX).
User Name/Password – the same name identified when you created the connection in Replication Server.
See Table A-1.