You can edit existing PPRC connections and modify them accordingly. Open the PPRC Connections dialog via the Edit menu. Select a PPRC connection listed in the dialog, and press the Edit button which leads you to the first page of the Edit PPRC Connections utility. Here you can select which interfaces of the involved controllers should participate in a PPRC connection. After you have selected the interfaces under focus, press the Next button which leads you to the second page of the Edit PPRC Connections utility. Here, you can adjust the remaining parameters for each PPRC link. When you have specified all needed values, press the Finish button to complete your PPRC connection.