Autodesk Network License Not Available Error 85440 ((new))

When an Autodesk product (like AutoCAD 2023, Revit 2024, or Maya 2025) requests a license from a Network License Manager, it communicates using TCP/IP ports (typically 2080 and 27000-27009). The client sends a request; the server responds.

Implement the fixes in this guide, and you will turn “Network License Not Available” into “Network License Ready” — keeping your design teams productive and your IT reputation intact. autodesk network license not available error 85440

Set environment variable:

You must perform these steps on the computer acting as the license server. When an Autodesk product (like AutoCAD 2023, Revit