Select to view the current status of your entitlements.
The background service that talks to your dongle often crashes silently. Here is how to restart it:
Launch the or Activation Wizard utility.
Download and reinstall the latest from the official Mastercam or Thales website. mastercam 2021 license not found
When launching Mastercam 2021, users may encounter an error stating or "No License Found – NetHASP / SIM not found" . This prevents the software from opening. The issue typically arises from communication failures between Mastercam and its licensing method (hardware USB key, Network License Manager, or software-based license).
Client computers cannot reach the network license server.
For users, the problem is often network-related. A workstation cannot "see" the license server on the network. Select to view the current status of your entitlements
Before diving into the fixes, it helps to understand why Mastercam 2021 is throwing this error. The software relies on , a third-party license management system developed by Wibu-Systems. When Mastercam launches, it queries the CodeMeter runtime environment to validate your entitlement.
In the "License Type" section, ensure the correct option is selected ( for cloud/activation code licenses or HASP/NetHASP for physical keys).
Software-based time-limited licenses or maintenance agreements may have expired, locking you out of the software. Download and reinstall the latest from the official
If you are receiving the error, it typically means the software cannot communicate with your security key (USB dongle) or the software-based license activator . Here are the most common solutions to fix this: 1. Check Your Licensing Utilities Go to your Start Menu and find the Mastercam 2021 folder. Run the Mastercam Licensing Utilities . Select Activation Wizard to ensure your license is active.
If it already says "Running," right-click it and select .
Contact your Mastercam reseller or CNC Software support if:
A major issue with Mastercam 2021 is that Microsoft's and later cumulative updates (Windows 10 20H2/21H1) explicitly broke Sentinel drivers.
To help narrow down the exact cause of your error, please let me know: Are you using a or a network license ?