Fixed licenses are assets. If you have a 5-year military contract, you can bid the exact cost of a perpetual fixed license + maintenance. No risk of subscription price hikes mid-contract.
Floating licenses introduce latency (check-in/check-out, server queueing). Fixed licenses yield consistently faster ray tracing when running batch sequences or tolerancing scripts because there is zero handshake time with a license server. zemax opticstudio license fixed
Locked to one specific machine's hardware ID. These are increasingly rare for new customers. Fixed licenses are assets
To resolve the issue, the following corrective actions were taken: These are increasingly rare for new customers
If you provide a bit more detail, I can give you a step-by-step fix: Are you getting a error?
. Legacy Zemax licenses (those issued before 2022) must be migrated to the Ansys platform to access updates beyond service bug fixes Ansys Optics How to troubleshoot softkey license issues (Zemax legacy)
Fixing license issues in Zemax OpticStudio often involves addressing recent changes in how licenses are managed following the migration to Ansys Optics