Lumion 12 Is Being Prevented From Contacting The License Server //top\\ Site

If you are on a restricted network (like an office or school), ensure your network administrator has whitelisted these requirements: : 443 (HTTPS) and 80 (HTTP). *.lumion.com *.lumion3d.net *.mylumion.com 5. Clear Startup Conflicts Run as Admin : Right-click the Lumion shortcut and select Run as administrator Force Startup CTRL + SHIFT

April 21, 2026 Category: Troubleshooting / Technical Support Reading Time: 4 minutes If you are on a restricted network (like

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 The entry was pointing to an old IP address that was no longer valid.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 are on a restricted network (like