If you use a software license, try deactivating and then reactivating it via the Mastercam Activation site. 2. Verify Your HASP/NetHASP (USB Key)
Before diving into deep fixes, verify the physical and service basics:
The software is looking for the wrong license type. mastercam 2021 license not found
If you see "SIM Not Found," focus entirely on USB drivers and physical port testing. Try the dongle on a different computer. If it works there, your motherboard's USB controller may be failing.
Did this error start occurring after a or a network change ? If you use a software license, try deactivating
: The "HASP Loader" or "CodeMeter" service is not running on the local machine or server. Network Issues
Sometimes security software blocks the or Sentinel services. If you see "SIM Not Found," focus entirely
If your workstation cannot detect a locally attached license, follow these procedures.
Download the latest CodeMeter Runtime from the Wibu-Systems official site to fix bugs introduced by Windows updates. 3. Run the Mastercam Activation Wizard
| 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 |
A working USB license key should emit a solid red or green light. No light indicates a dead USB port or a faulty dongle.