typically indicates that the software is unable to obtain a valid network license, often because the user is assigned a different license type (e.g., Single-User) or because of a conflict between the client's licensing service and the server's license manager. Core Causes
If the license was recently changed from network to single-user (sign-in), you must reset the license locally: Launch the Autodesk Licensing Support Tool Select the affected product and change the method to Restart the software and sign in with your Autodesk ID. 2. Clear Incorrect Registry Keys autodesk network license not available error 85440
Verify basic connectivity between the client and server. Autodesk Error [-8
If you have tried all fixes above and still see Error 85440, gather: Check license server logs : Analyze the license
This is a workaround, not a long-term solution. If the server’s IP changes (DHCP), the error returns.