If your organization utilizes an Options File ( adskflex.opt ) on the license server to manage user permissions, restrictions might be blocking your machine.

Incompatibility between the local licensing service and the server manager is a frequent culprit for versions 2020 and newer. IMAGINiT Technologies On the Client Machine: Download and install the latest Autodesk Desktop Licensing Service Autodesk Identity Manager On the Server: is updated to version

: Use the Autodesk Access app to install any pending Autodesk Desktop Licensing Service updates. Firewall Configuration for Network Licenses

To efficiently troubleshoot the issue, it helps to understand why the FlexNet licensing engine trips over this specific error code. The most common triggers include:

are open on the server to allow communication with client machines. Registry Values: For Windows users, check the ADSKFLEX_LICENSE_FILE value in the registry to ensure it points to the correct @servername

Use Telnet or Test-NetConnection to check the license ports (default: 2080 and 27000-27009):

<Configuration> <IPv4Enabled>1</IPv4Enabled> <IPv6Enabled>0</IPv6Enabled> </Configuration>

1. Upgrade the Server's Autodesk Network License Manager (LMTOOLS)


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