The bundled drivers with Mastercam 2021 can become outdated if you upgraded from 2018 or 2019.
Note: Piracy or cracked versions often trigger this error intentionally. Using legitimate licenses ensures full functionality and support.
The "Mastercam license not found" error typically occurs when the software cannot communicate with its security key (HASP), the network server, or its software-based license
. Below is a comprehensive write-up on why this happens and how to fix it. eMastercam.com Common Causes Hardware Unplugged
: For physical licenses, the USB dongle (HASP) might be loose or disconnected. Service Failures
: The "HASP Loader" or "CodeMeter" service is not running on the local machine or server. Network Issues
: Firewall blocks or IP mismatches preventing the workstation from reaching the license server. Incorrect Launcher Settings mastercam 2021 license not found
: Mastercam is trying to look for a physical HASP when you have a software license, or vice versa. eMastercam.com Troubleshooting Steps 1. Verify the License Type Mastercam Launcher
(found in the Start Menu under the Mastercam folder) and ensure the "License Type" is correctly set to either HASP/NetHASP depending on your specific entitlement. eMastercam.com 2. Check Local License Services If you use a software-based or local HASP license: Windows Services manager (type services.msc in the Start search). Sentinel LDK License Manager CodeMeter Runtime Server Right-click and select if it is running, or if it is stopped. In-House Solutions 3. Run the License Utilities
Use Mastercam’s built-in diagnostic tools to identify the exact point of failure: System Inspector : Download and run the Mastercam System Inspector Utility
to analyze licensing problems and generate a detailed report. : Go to the Mastercam installation folder and run NHaspX.exe
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 your SSD was recently replaced or the OS was updated, your software license might have become detached: eMastercam.com Reboot after driver install
If you're encountering a "License Not Found" error with Mastercam 2021, here are some steps and considerations to help you troubleshoot and potentially resolve the issue:
If you are on a network and Mastercam says "License Not Found," your PC cannot see the license server.
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.
If you manage multiple Mastercam seats, create a batch file to reset the license stack automatically.
Save the following as Reset_Mastercam_License.bat and run as Administrator:
@echo off echo Stopping CodeMeter... net stop CodeMeter.exe net stop Sentinel64echo Removing stale USB references... pnputil /remove-device "USB\VID_0483*" 2>nul pnputil /remove-device "USB\VID_0529*" 2>nul Click Read (magnifying glass icon)
echo Restarting services... net start CodeMeter.exe net start Sentinel64
echo Restarting Mastercam License Manager... "C:\Program Files (x86)\Common Files\Aladdin Shared\HASP\hasplms.exe" /restart
echo Flushing DNS for network licenses... ipconfig /flushdns
echo Done! Launch Mastercam. pause
Mastercam 2021 sometimes conflicts with CodeMeter (used by other CAD/CAM software like SolidWorks or AutoCAD). If you have CodeMeter installed: