The License Server | Lumion 12 Is Being Prevented From Contacting

Undeterred, John continued his investigation. He checked the system's hosts file, suspecting that maybe there was an incorrect entry blocking the license server. After analyzing the file, he found an entry that seemed suspicious. The entry was pointing to an old IP address that was no longer valid.

If you've followed these steps and still can't resolve the issue, it's recommended to contact Lumion's support team for further assistance. They can help you investigate the problem and provide a more detailed solution. By following this troubleshooting guide, you should be able to identify and potentially resolve the issue preventing Lumion 12 from contacting the license server. Undeterred, John continued his investigation

For users who frequently experience connectivity issues, provide an option to cache license verification locally for a specified period. This would allow users to use Lumion offline or in areas with unreliable internet connectivity. The entry was pointing to an old IP

Getting hit with a license server error just as you’re ready to render can be incredibly frustrating. This specific error in Lumion 12 usually means your computer can't reach the "mothership" to verify you're good to go. By following this troubleshooting guide, you should be

Search for "Allow an app through Windows Firewall" in your Windows search bar. Click Change settings and ensure both are checked for Lumion.exe Check Ports:

Lumion’s licensing system uses specific ports to communicate. If these ports are blocked by your router or network administrator, the connection fails.