From the user's local computer, paste the following web address below in a internet browser but replace the word (localhost) with your server name or IP address there the StruSoft server license is installed, and press enter.
http://localhost:8090
It shows the software (name of the license), there (Available) shows the number of licenses, also (In Use) how many are logged in and it says (Host) next to it which shows which computer uses the license.
NOTE! If no licenses are visible in the website then something is wrong and the license on your server is stopped.