Autodesk Network License Not Available Error 85440 Guide

Error 85440 is one of the most common—and often misunderstood—licensing errors in Autodesk’s Network License Manager (NLM) ecosystem. Unlike generic “license unavailable” messages, error 85440 usually points to a specific failure in the communication chain between the client workstation and the license server.

nslookup your_server_hostname

Set environment variable: