This will affect licenses for any software using Sentinel HASP (e.g., Solidworks, Catia, some accounting software).
| Symptom | Likely Fix | | :--- | :--- | | Dongle light off / USB not seen | Change USB port, check hardware | | License flashes then disappears | Restart Sentinel service (Step 2) | | Error started after Windows Update | Reinstall Sentinel drivers (Step 3) | | Remote/Network license fails | Check server ping and firewall rules | mastercam 2021 license not found
to reinstall the latest drivers. This is the most common fix for standalone licenses. 4. Configure the nHasp Utility Mastercam needs to know to look for the license. Go to your Start menu and find the Mastercam 2021 Ensure the "Sim Type" is correctly set (e.g., for a local key or for a network seat). This will affect licenses for any software using
Open the CodeMeter Control Center, stop the server, and restart it to refresh the connection. Open the CodeMeter Control Center, stop the server,
Check if your license is listed. If it’s missing, you may need to re-enter your and License Number .
to see if the computer recognizes any active local or network SIM. 4. Network Configuration (NetHASP Users) If your license is hosted on a server: Port 22350 is open on both the server and the client machine. : If the client can't find the server, edit your nethasp.ini file to explicitly point to the server's IP address. 5. Re-Activate Software Licenses
If these steps don't work, you can look up your specific license details by going to within the software (if it opens in "Demo/Home Learning" mode) to verify your maintenance status.