Lumion 12 Is Being Prevented From Contacting The License Server [2021]

Your ISP’s DNS is often unreliable for license servers. Switch to Google DNS.

When Lumion 12 cannot contact its license server, it is typically due to local security settings or network interference blocking the necessary handshake. Immediate Troubleshooting Steps To restore the connection, try these steps in order: Add Antivirus & Firewall Exclusions Your ISP’s DNS is often unreliable for license servers

and register their Perpetual License Key there to ensure continued connectivity. Lumion Community forum Lumion Website to create an account. Your ISP’s DNS is often unreliable for license servers

Aggressive antivirus software often flags Lumion's licensing pings as suspicious activity. Creating strict exclusions ensures your security software lets Lumion pass through unhindered. Add a Folder Exclusion Your ISP’s DNS is often unreliable for license servers