Add this to your lmgrd startup:
In all cases, the license checkout fails deterministically. The system does not attempt to downgrade or emulate. flexnet licensing version of client newer than server
SolidWorks licenses use solidworks vendor daemon. The error often appears after a SolidWorks service pack update. Solution: Download the latest SolidNetworkLicenseManager from their portal—it includes updated lmgrd and daemon. Add this to your lmgrd startup: In all
FlexNet licensing systems are designed to be but not forward compatible. and only then
Upgrade your server first. Then, and only then, let your clients move forward. Follow this rule, and this cryptic error will become a distant memory.
If the path is wrong, FlexNet falls back to a different (older) daemon in your $PATH .