Kerio Control Offline License File -

Save this file to a portable storage medium, such as a secure USB drive. How to Import the Offline License File into Kerio Control

Your unique registration key purchased from GFI or an authorized reseller.

Enter your and type in the System ID you copied from the offline server. Complete the security captcha verification. Click Submit or Generate .

The license file is cryptographically locked to the specific hardware or virtual machine GUID submitted during generation. If you reinstall Kerio Control on new hardware or restore a backup to a different virtual host, the old offline license file will reject the activation. You must generate a new file using the new system's GUID. 3. Date and Time Discrepancies Kerio Control Offline License File

Renew the subscription via the GFI Partner Portal before generating the file.

The Kerio Control offline license file is an essential tool for administrators managing secure, air-gapped, or highly restricted environments. By understanding how to properly generate and apply this file, you can ensure your perimeter security remains robust and fully compliant, even without a continuous connection to the outside world.

Browse to the downloaded offline license file on your machine and click . Save this file to a portable storage medium,

This occurs if the UUID entered on the registration website does not match the hardware signature of the current Kerio Control installation. Re-copy the UUID directly from the dashboard to avoid typos. Expired Maintenance Warnings

: Remember that rebuilding a virtual machine or changing its virtual MAC address will alter the OS Unique ID, invalidating your current offline license file.

In the world of network security, few things are as frustrating as being locked out of your management console because your firewall can’t talk to the mothership. For IT administrators managing (now part of the GFI software family), the assumption is often that a constant internet connection is required for license validation. But what happens when you are securing an air-gapped military network, a remote manufacturing floor with no outbound web access, or a temporary event network? Complete the security captcha verification

Kerio Control provides extensive documentation and support resources, including:

While an offline license file successfully activates the core firewall routing, rules, and VPN capabilities, administrators must account for unique operational limitations. Add-on Module Limitations

Network administrators often need to deploy firewalls in secure, isolated environments. GFI Kerio Control typically relies on an active internet connection to validate its product subscriptions. However, in high-security zones, military networks, or remote locations lacking stable internet access, standard online activation is impossible.

If the network is entirely air-gapped, you must configure an internal update mirror or manually script the deployment of database definitions to the firewall's update directories via SSH. Best Practices for Managing Offline Licenses

Click or Import . The page will refresh, and your updated user limits, expiration dates, and registered company name will be visible. Troubleshooting Common Offline License Errors