The Autodesk Licensing Service on your machine might be too new for the Network License Manager (LMTOOLS) version on the server (common in versions 2020 and later).
Before you click "Fix It," understand the root cause. The error occurs at the network level, not the licensing level. The server might be working perfectly; your computer just can't see it. autodesk network license not available error 85440 link
Example: ping lic-server-01