License Managers run should use static IP addresses rather than dynamically The License Manager may not start on such machines due to external dependencies. >Sentinel RMS does not support servers with numeric host names. It is the responsibility of the system administrator on the customer’s site to ensure that the RMS License Manager is set up on a system that is not public. >Sentinel RMS is an enterprise-level product functioning within an intranet that is not publically exposed.
Here are few recommendation that you may find helpful while setting up the RMS License Manager.