Lumion 12 Is Being Prevented From Contacting The License Server Page

Open your Firewall settings and ensure Lumion.exe is allowed for both Inbound and Outbound rules.

Troubleshoot issues that often follow license errors. Which of these troubleshooting steps Open your Firewall settings and ensure Lumion

If the technical fixes above do not work, the issue may be on the account side. Always ensure you are running the program by

Always ensure you are running the program by right-clicking the icon and selecting This gives the software the necessary permissions to bypass certain local "Read/Write" restrictions that might interfere with the license check. Save the file and restart Lumion

Look for any lines containing lumion or backup.lumiontech.net . those lines entirely. Save the file and restart Lumion. 🛡️ Step 2: Configure Windows Firewall

Change the file type filter (bottom right) from .txt to . Open the file named hosts .

Ensure you aren't logged into the same license on a different machine. 🚀 Pro-Tip for Fast Troubleshooting