Issue
Sigma Reports "No Seats Available"
SigmaX gives an "Authentication Failed" message
Environment
Sigma
SigmaX
Cause
There are various scenarios that can affect the operation of Sigma and SigmaX. Usually caused by changing hardware or a different network connection since registering SigmaX.
Resolution
******* TAKE EXTREME CARE WHEN USING THE SYSTEM REGISTRY AS ERRORS CAN AFFECT OPERATION OF THE PC ******
Open the PC's registry by going to Start Menu>Run and type in regedit. Hit the enter key.
Browse to HKEY_LOCAL_MACHINE\SOFTWARE\IBS\SigmaX
There should be an entry in the right hand window named Registered. The data type should be REG_SZ. The data column should have your unlock code entered.