Copy the details below into a batch file names lic.bat:
set exepath=C:\Xilinx\SDK\2017.3\bin\unwrapped\win64.o
%exepath%\lmutil lmstat -c port@server -a
pause
Edit the bat file and replace the path with the location of lmutil.exe on your PC (located in Xilinx path as shown)
Run the file and it prints out the license info for all of the tool features.
See other commands, such as remove a license, pdf attached.