Autodesk Network License Not Available Error 85440 -

The lic.dat file on the server has expired or does not match the product being requested.

Ensure that both the server firewall and client-side security software have explicit inbound and outbound rules allowing traffic through these ports. Summary Checklist for IT Administrators Action Item Target Machine Expected Outcome Aligns server capabilities with new software versions. Add ADSKFLEX Variable Client Workstation Directly points the software to the license pool. Increase FLEXLM_TIMEOUT Client Workstation Prevents premature connection drops over VPN/WAN. Restart Licensing Service Client Workstation Refreshes corrupted or stalled local license components. Open Ports 27000 & 2080 Network/Firewall Removes communication blocks between server and client.

This error indicates that the Autodesk software cannot establish a successful connection with the license server to check out a seat. When this happens, products like AutoCAD, Revit, Inventor, or Civil 3D will refuse to launch.

Which (e.g., AutoCAD 2024, Revit) are you using? Are other people in your office having the same issue? Did this start after a recent update ? autodesk network license not available error 85440

Navigate to > Product Registration > Generate Network License File . Save the new license file to your server.

Ensure Inbound rules allow traffic on ports 2080 and 27000-27009 .

The server is running an older version of the Autodesk Network License Manager (LMTOOLS) that is incompatible with your software version. The lic

To prevent error 85440 and other licensing disruptions in the future, network administrators should practice proactive server maintenance:

Verify basic connectivity between the client and server.

Download the latest version of the for your OS (Windows, Linux, or macOS). Add ADSKFLEX Variable Client Workstation Directly points the

By following this comprehensive guide, you'll be able to resolve error 85440 and get back to using your Autodesk software with ease.

Go to the tab and click Perform Status Enquiry .

When a client machine cannot automatically find the server, setting a system environment variable forces the Autodesk software to look in the exact right location.