(All operating systems.) You can control the License Server by running the ult_licesrv64 (or ult_licesrv32) process from the command line, with these options. The options are the same on all operating systems:
-console
Starts the specified License Server as a console application. This is the default option.
-start
Starts the specified License Server as a service/daemon.
-stop
Stops the License Server process. You can also stop it by pressing Ctrl+C.
-isrunning
Detects if a specified License Server process is running.