Because a fixed softkey license attaches to one machine's hardware profile, you cannot simply copy the software to another computer. You must officially migrate the key. Step 1: Deactivate on the Original Computer Open the on the old machine. Go to the License Transfer tab. Select the license you wish to move and click Transfer Out .
Licenses are also distinguished by their physical format:
As of January 2025, the legacy Zemax license transfer and activation server was officially shut down. If you are using a very old license (e.g., with a 5-digit serial number like 22000 or a 6-digit alpha-numeric like L100000), you may be locked to your current machine. If you need to move a legacy license to a new computer, you must contact Ansys Support directly. zemax opticstudio license fixed
Licensing errors rarely stem from bugs within OpticStudio itself. Instead, they are usually triggered by environmental changes on the host computer or network:
For legacy Zemax network keys, you must explicitly point your client machine to the server's IP address. Because a fixed softkey license attaches to one
Click to locate your machine's unique ID.
In the box, type the static IP address or hostname of your corporate license server. Go to the License Transfer tab
This distinction is vital. You can have a valid perpetual license that runs version 2024 R1 forever, but let your support contract expire. The software will still launch and function, but you will be unable to upgrade to newer versions like 2026 R2 without renewing your support agreement.
Zemax utilizes different security platforms depending on when you purchased your software. Knowing your license type determines the exact steps you need to follow.
USB keys often broke, got lost, or were stolen, leading to expensive replacement fees.
: These are digital licenses activated via an activation code. They are tied to the computer's unique hardware ID. As of January 2025, online activation servers for legacy softkeys were shut down, requiring a manual activation process for these specific types.