Check your version in LMTOOLS via . It should be v11.18 or higher.
If the server is functioning correctly but a specific computer still throws Error 8.544.0, the issue lies on the client machine. 1. Check Network Connectivity
The is a frustrating licensing error that completely blocks users from launching software like AutoCAD, Revit, 3ds Max, or Civil 3D. It surfaces when an Autodesk application requests a multi-user floating license from the server but fails to validate or locate it. The issue can stem from local machine configurations, incorrect license allocation inside the Autodesk Account portal , or problems tied to the network license management mechanism. Key Takeaways
Disclaimer: Error codes and software behavior may vary slightly between Autodesk releases. Always refer to your official Autodesk support contract and documentation for mission-critical environments.
The client computer has an incorrect registry key pointing to the license server ( adskflex_license_file ).
Your IT department must ensure these ports are open for bi-directional traffic (both inbound and outbound) on your server's firewall as well as any network firewalls between the server and client computers.