In my real job I have a 2003 TS server which has 75 licenses (per device type). The TS server has now stopped taking any further TS connections, I've been through the list of licenses and would duly buy some more if we had loads more people that need connection. However some of the licences issued are to machines we no longer have so I would like to revoke/remove ( scavage ?? ) them for reallocation. However I dont seem to be able to delete or remove them??

Any ideas how to do this or what Im missing please?