SigmaX does not work correctly after registering the SigmaX unlock code provided by the system.
After you have run c:\SigmaX\Bin\RegSigmaX.exe and entered the code,
When trying to run SigmaX you get a "SigmaX Authentication Failed" message.
When trying to connect the Sigma Client to the server you a "No Seats Available" message
Run c:\SigmaX\Bin\RegsigmaX.exe by using the Right-Click function "Run As Administrator"
If you are trying to connect the local client the Sigma Server will require a restart before the seats become available