The License Server //free\\ - Lumion 12 Is Being Prevented From Contacting
Troubleshooting Steps:
Part 5: The "Prevention" Checklist (Stop it from happening again)
For Trial Versions: If your trial period has expired, the license server will deny the request. Check your email for the expiration date.
For Commercial Licenses: Ensure your subscription is active. If a renewal payment failed, the license may have been suspended.
Action: Log in to your Lumion Account via a web browser. If you can log in successfully, your credentials are valid, and the issue lies within your PC’s connection.
5–15 min: Check internet, DNS, ping/tracert to license host.
15–30 min: Toggle firewall/AV, test on alternate network (phone hotspot).
30–60 min: Inspect logs, verify license account and expiry, contact vendor if needed.
60–90 min: Coordinate with IT for firewall/proxy/enterprise issues or escalate to vendor support.
5. Recommended Fixes
Lumion Account
Starting in late 2025, Lumion required users of older versions (like 12 Pro) to have their license keys registered to a . If you haven't done this, the server may reject the connection.