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

Your firewall might be blocking the specific ports Lumion uses to verify your license.

He wasn't running a VPN, but the network’s new security suite was acting like one, masking the local IP in a way the license server viewed as suspicious. It was a digital Catch-22. The security was too strong for the license to get out. Your firewall might be blocking the specific ports

He watched the screen. He refreshed the network status. Checking for connection... Contacting server... Your firewall might be blocking the specific ports