This is an abbreviation for Legato Single Server Version which a special NetWorker version which is delivered with the Oracle database software.
NetWorker allocates licenses to hosts as needed. However they are not removed from clients when decommissioned or removed from an active group.
All NetWorker licensing is verified at the time of the backup. If you only need to restore, no license is needed.
The nsrlic utility generates reports about all the license information currently active on the Legato NetWorker server.
The NSR license resource describes each NetWorker software feature that you entered an enabler code for, and authorisation codes once entered
You can use the nsrcap utility to enter the enabler code for a new feature, or to upgrade and downgrade Legato NetWorker software features.