Verify basic connectivity between the client and server.
From the client machine, run:
telnet <license_server> 27000
On server and client, allow inbound/outbound:
Autodesk NLM communicates using specific TCP ports. By default, these are 2080 (for lmgrd) and 27000-27009 (for the vendor daemon adskflex).
On the Server Firewall: Ensure Inbound rules allow traffic on ports 2080 and 27000-27009. autodesk network license not available error 85440
On the Client Firewall: Ensure Outbound rules allow traffic on the same ports.
Imagine this: It is Monday morning. Your team of 30 designers is ready to start a high-stakes project. They launch AutoCAD, Revit, or 3ds Max. Instead of the familiar splash screen, they are met with a chilling dialog box: “Network License Not Available. Error 85440.”
Instantly, productivity grinds to a halt. Emails flood your inbox. Calls start coming in from every department.
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. Verify basic connectivity between the client and server
In this guide, you will learn:
If you are still stuck, run through this rapid checklist:
If all of the above fail, you may need to perform a Clean Uninstall of the Autodesk Licensing Service tools on the client machine and reinstall them from the Autodesk website.
Autodesk Network License Not Available Error 85440: Causes and Solutions On server and client , allow inbound/outbound: Autodesk
The "Autodesk Network License Not Available Error 85440" is a common issue faced by users who are trying to activate or use Autodesk software with a network license. This error typically occurs when the software is unable to connect to the license server or when there are issues with the license configuration. In this article, we will explore the causes of this error and provide step-by-step solutions to resolve it.
Causes of Error 85440:
Solutions to Resolve Error 85440:
On the license server (Windows Defender Firewall):
On client workstations:
For corporate hardware firewalls (if server is in a data center):