If using legacy USB keys, ensure your Safenet/Sentinel drivers are updated to prevent compatibility issues with new Windows updates.
Historically, these licenses were associated with red, black, or green USB keys, or older softkey activations. Fixed License vs. Subscription License
(e.g., "No Ansys products detected").
Ensure your .lic file is activated to the machine's MAC address. zemax opticstudio license fixed
Depending on when you acquired your software, your fixed license will likely fall into one of two categories: :
The software will continue to run for as long as your operating system supports it.
Client machines looking at outdated IP addresses or incorrect server hostnames. 3. Step-by-Step Fixes for Local Softkeys and Hardware Keys If using legacy USB keys, ensure your Safenet/Sentinel
A virtual machine (VM) environment is blocking the softkey license due to anti-piracy policies.
Before beginning any troubleshooting, it is essential to determine whether you are using a or a modern Ansys license , as the solutions differ. Legacy Zemax licenses include all USB-based licenses, licenses with 5-digit numeric serial numbers (e.g., 22000), and 6-digit alphanumeric serial numbers beginning with "L" or "T" (e.g., L100000). Modern Ansys licenses, used in OpticStudio 2022 R2 and newer, operate via FlexNet Publisher and the standard Ansys License Manager.
to a different computer by deactivating them on the current host and reactivating them on a new one. Offline Access Subscription License (e
Use the License Manager on the new machine to "Activate" the license, using the same license number.
You can now access Zemax OpticStudio without any issues. If you encounter any problems or have questions, please do not hesitate to reach out to us.
The license is now legally bound to the new hardware profile.
This is the most common error. It means the software cannot detect your softkey or USB dongle.