Use this task to enable the MD-IWF and DM-IWF applications.
From each active SOAM in a 3-tiered DSR topology, navigate to Diameter > Maintenance > Applications.
Under DSR Application Name, select each MD-IWF or DM-IWF row.
To select more than one row, press and hold Ctrl while you click each row.
Click Enable.
Verify the application status on the page.
The Admin State, Operational Status, Operational Reason, and Congestion Level in each of the selected rows should have changed respectively to Enabled, Available, Normal, and Normal.