The license file referenced during server startup ( ps aux | grep lmgrd ) contains the password on the VENDOR line. Simply:
This password is required to perform any remote administrative operation on the vendor daemon. Without it, users can still check out licenses, but administrators cannot run certain commands unless physically on the server. lfm license server password
This is the default for most LFM Seasons races once you are registered for a session. Low Fuel Motorsport Common Connection Issues The license file referenced during server startup (