Managing offline licenses can occasionally trigger errors, particularly regarding certificate validity or module synchronization. 1. Error: "Invalid License File Structure"
When a license is purchased or renewed, it must be registered with GFI's licensing servers. For environments with a stable internet connection, this process happens automatically. The offline license file is the mechanism that allows you to complete the registration and activation process on a completely isolated firewall.
On the , locate and click the Configuration Assistant button in the bottom right corner.
Kerio Control is a powerful network security solution designed to protect small and medium-sized businesses from cyber threats. While most administrators activate and update their firewalls using a direct internet connection, certain high-security environments require a complete air-gapped setup. In these isolated networks, the is the only way to validate your product subscription and unlock enterprise-grade security features . Kerio Control Offline License File
: The administrator manually downloads a signed license file ( .key ) from an internet-connected device and uploads it directly to the isolated Kerio Control appliance.
Navigate to the and select the Configuration Assistant .
: Confirm that the displayed license information matches your purchase. You may need to provide your company details and agree to the Privacy Policy. For environments with a stable internet connection, this
: The firewall contacts the GFI/Kerio registration servers directly via HTTPS to validate the License Key.
Typically, Kerio Control phones home to GFI’s license servers to validate subscriptions. When it cannot reach the internet, the becomes mandatory.
Secure environments like government agencies, research labs, or financial backend servers are completely isolated from the public internet. Kerio Control is a powerful network security solution
Remember: The offline workflow is a three-step dance— Master that dance, and you will never be locked out of your own network again.
Complete the wizard and click to save the file to your computer. 2. Import the File into Kerio Control
: A secure medium to transfer the downloaded .key file to the isolated network where Kerio Control resides. Step-by-Step Guide to Offline Activation
Networks entirely disconnected from the public internet for high security.
: An offline license activates the firewall engine, but components like Sophos Antivirus and Kerio Control Web Filter need external updates to remain effective. Set up a secure DMZ proxy or staging server to sync definition files regularly.