Used by the Autodesk vendor daemon ( adskflex.exe ).
The local Autodesk Desktop Licensing Service or the single sign-on component on the client machine is malfunctioning.
Encountering the "Network License Not Available - Error [85440]" can completely halt your engineering, architecture, or design workflows. This error typically surfaces when an Autodesk product—such as AutoCAD, Revit, or Maya—attempts to launch but fails to communicate with the Network License Manager (NLM) or cannot validate the requested license token.
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Open a case at and request escalation to the Licensing Team. Reference Error 85440 and your evidence.
Run the following command to reset the specific product registration (example for AutoCAD 2024):
On the server hosting the licenses, ensure the service is active and updated: 8" "Error [-8.544.0]" when launching Autodesk software Used by the Autodesk vendor daemon ( adskflex
Locate and FLEXnet Licensing Service 64 . Restart both services. 6. Correct License Type (Client-Side)
Autodesk error "Network License Not Available" typically indicates a mismatch between the assigned license type and the software configuration, or specific restrictions on the license server . Key Features and Causes
Perform a in LMTOOLS to see if seats are available. Ensure LMTOOLS is updated to version 11.18 or higher . If you share with third parties, their policies apply
The software is attempting to pull a license from a pool of multi-user licenses, but the priority sequencing (cascading) is misconfigured or blocked.
Network security settings are blocking the necessary ports (27000-27009 and 2080) used for license distribution. Step-by-Step Solutions to Resolve Error 85440
This error essentially means: "I tried to talk to the license server, but I couldn't find it, or it didn't respond correctly."
Open your web browser and navigate to your Autodesk Account Dashboard .
Several back-end or front-end issues can trigger this server refusal: