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Autodesk allows NLM on AWS, Azure, or Google Cloud. Place the server inside the same VPC as your remote access VPN endpoint.

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.

To fix Error 85440 efficiently, categorize the problem. It will fit into one of three buckets.

: Log into the Autodesk Account and ensure the user is assigned the correct product with "Sign In" access.