: If you are using a NetHASP, the server might be out of available "seats" or licenses. Restarting the NetHASP server can sometimes clear ghost sessions. eMastercam.com Why is it called a "SIM"?

If the utility does not detect the key, the drivers may be faulty. No Sim found - Industrial Forum - eMastercam.com

The "No SIM Found" error in Mastercam X5 typically indicates that the software cannot communicate with the hardware security dongle (HASP/NetHASP) required for licensing . This usually stems from incorrect driver versions, misconfigured utility settings, or registry errors. Primary Causes of the "No SIM Found" Error