Error 85440 - Autodesk Network License Not Available

Here’s a useful technical write-up on the Autodesk Network License Not Available Error 85440, including causes, symptoms, and step-by-step resolution.


Step A: Open TCP Ports

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.

Autodesk Network License Error 85440: The Complete Troubleshooting Guide

Part 6: Prevention and Best Practices

You’ve fixed the error. Now, keep it away. Here’s a useful technical write-up on the Autodesk

Solution 1: Check License Server Status

  1. Ensure that the license server software is running on the server machine.
  2. Check the license server logs for any errors or issues.
  3. Restart the license server service if necessary.

Step 2: Test the License Server Ports

Use Telnet (enable it via Windows Features if needed) or Test-NetConnection in PowerShell.

Test-NetConnection <server_IP> -Port 2080
Test-NetConnection <server_IP> -Port 27000

Expected result: TcpTestSucceeded : True Step A: Open TCP Ports Autodesk NLM communicates

If False → Firewall problem.