Lumion 12 Is Being Prevented From Contacting The License Server Jun 2026

Troubleshooting: "Lumion 12 is being prevented from contacting the license server"

The three most common culprits are:

Open and click on Virus & threat protection .

In Notepad, go to File > Open and navigate to: C:\Windows\System32\drivers\etc\ .

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.