Firewall settings are blocking the specific communication ports used by Intergraph/Hexagon software.
If the configuration is correct but the error persists, your network may be blocking the "handshake" between the client and server.
Ensure the computer is configured to point to the correct SPLM server IP address or hostname.
If you have both SPLM and ISL installed, they may conflict. It is often recommended to remove the old SPLM before installing the new Smart Licensing system. 4. Advanced Troubleshooting Intergraph Smart Licensing - Version 14.3 - Help - Hexagon
The guide below provides a comprehensive walkthrough to diagnose and fix this error. Understanding Error 7502
After making changes, fully restart the application to trigger a fresh license check. 2. Check Firewall and Network Access