After migrating the Certificate Management System 6.1 (SP 4) DRM instance to the corresponding Certificate System 7.3 DRM instance, access the end-entity services and the agent services interfaces of both the Certificate System 7.3 CA and DRM instances to ensure that everything is working properly.

https://server.example.com:10043/kra

Also, log into the subsystem administrative consoles to verify that that the Certificate System subsystems can be managed through the Console.

pkiconsole https://server.example.com:10043/kra

The port numbers for all CA and DRM interfaces can be found in the server.xml in the subsystem configuration directories.