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Ensure the "Sim Type" matches your license (HASP or NetHASP). to see if the utility detects the key. 5. Check Firewall and Antivirus

If the error is "License not found on server" or similar, the issue is connectivity between your PC and the server holding the USB key. mastercam 2021 license not found

You can find your license number by going to within Mastercam (if you can get it to open on any machine) or by contacting your local Mastercam Reseller . Ensure the "Sim Type" matches your license (HASP or NetHASP)

: For network licenses (NetHASP), systems often fail to resolve the license server's host name. Switching to a static IP address for the server usually bypasses these DNS-related drops. Driver & Port Conflicts mastercam 2021 license not found