Mastercam 2021 License Not Found -

If you use a physical USB dongle, ensure it is plugged into a USB 2.0 port rather than a USB 3.0 port, as older drivers may not recognize 3.0. Check for a red light on the dongle.

If you are the administrator of the license server:

If you use a software-based license, the CodeMeter software is the heart of the licensing system.

Locate , right-click it, and select Uninstall . Reboot your computer.

: Open the Windows Services app (search for services.msc ), find CodeMeter Runtime Server , right-click it, and select Restart . mastercam 2021 license not found

After restarting the service, reboot your PC. Mastercam drivers initialize at boot.

This utility will display your exact maintenance expiration date and serial number. If it returns an error, the system cannot see any valid Mastercam product keys. Summary Checklist

Plug the USB key into another computer with CodeMeter installed to see if the computer detects the hardware. If it doesn't light up anywhere, the dongle itself may be dead and requires replacement through your Mastercam Reseller. 2. Restart and Update CodeMeter Runtime

Mastercam 2021 relies on a sophisticated licensing architecture that uses either physical USB dongles (HASP) or software-based digital keys managed by CodeMeter. When the software launches, it broadcasts a request to find a valid license container. If the communication path is blocked—whether by a sleeping service or a rigid firewall—the "License Not Found" prompt appears. Common Failure Points CodeMeter Service Failure If you use a physical USB dongle, ensure

Open the Mastercam Launcher (found in the Mastercam dropdowns in the Start menu) and ensure the "License Type" is correctly set to either Software or Hardware (HASP/NetHASP) depending on your license.

You can check if a license is active on your machine without opening the main software:

Troubleshooting Mastercam 2021: How to Fix the "License Not Found" Error

Open CodeMeter Control Center , click on WebAdmin in the bottom right corner. Go to Configuration > Server Search List . Add the specific IP address or hostname of your corporate license server to the list and click Apply . Locate , right-click it, and select Uninstall

In industrial environments using network licenses, a slow server response or a firewall blocking Port 22350 can prevent the workstation from checking out a seat.

Here is a comprehensive guide to troubleshooting and fixing the Mastercam 2021 license not found error. 1. Check Physical Connections (HASP Users)

Users have found that manually installing CodeMeter 7.60d (or newer) from the Mastercam Drivers page often resolves "Error 101" or hidden license issues.

In the CodeMeter Control Center, select WebAdmin . Navigate to Configuration > Add new server and enter the IP address of the license host server.

Facing a "License Not Found" error in Mastercam 2021 can halt production and disrupt your workflow. Whether you are using a physical HASP (USB dongle) or a software-based NetHASP/nethasp license, these issues usually arise from driver problems, network connectivity issues, or expired maintenance.

Look at the bottom right corner of the CodeMeter window to check the status. If it says "CodeMeter service is stopped," go to the top menu and select .