HOW TO RESET WINDOWS TERMINAL SERVICES 3 MONTH TRIAL
Make sure you’ve installed “Terminal Services Licensing”. By the way, this method only makes sense if you need to use Terminal Services in Application Mode, which is the one that requires licensing.
The idea is quite simple.
First, disconnect all users from the terminal. If you need to do this remotely, you can also disconnect yourself, and access the files remotely.
Go to %WINDIR%\system32\lserver
Notice the file TSLIC.edb. Rename it to tslic.old
In every client computer, remove the CAL TS registry keys, located at:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSLicensing
Restart your server.
Or change laptop /computer name
In every client computer, remove the CAL TS registry keys, located at:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSLicensing
Restart machine
When double clicking on remote desktop software for 1st time
Right click on remote desktop and run as administrator