Go to and click on the License tile (or navigate to Configuration > Registration ). Click the Register Offline or Install License button.
Click and select the .key file you downloaded earlier.
Registering your Kerio Control instance using an (typically named license.key ) is essential when your firewall cannot access the internet to authorize itself automatically. This process involves manually downloading the key from GFI's registration portal and importing it into your dashboard. 1. Generate and Download the License File Kerio Control Offline License File
: The wizard will ask you to specify the target system. For Kerio Control, you must enter the hardware serial number , which is usually found on a sticker at the bottom of the appliance. This binds the license to the specific hardware, preventing its use on unauthorized devices.
: Navigate to the GFI/Kerio Product Registration page . Go to and click on the License tile
Submit the form, and the portal will generate a downloadable license file. Save this file to a USB drive or local storage. Step 3: Import the File into Kerio Control Log into your Kerio Control Web Administration interface. Navigate to or Dashboard > License . Click on the Activate or Install License button. Select the option to Upload a license file .
The offline process is generally straightforward, but issues can still arise. Here are the most common errors and their proven fixes. Registering your Kerio Control instance using an (typically
Sometimes, an organization has internet access, but the proxy settings are so restrictive (e.g., requiring NTLM authentication or specific root CA certificates) that Kerio Control cannot perform its automated handshake. Manually importing an offline license bypasses the proxy drama.
You must download the Kerio Control Web Filter and Sophos update packages manually from the GFI portal and upload them separately via the administration interface to get full protection. Best Practices for Managing Offline Licenses