The firewall connects directly to the GFI/Kerio registration servers via HTTPS to validate the license key.
: Do not focus on the text "Unauthorized." Instead, follow the troubleshooting steps outlined for the "Cannot write new license file" error above. Check system time and diagnose storage health. This error is a symptom, not the cause, of the failed activation.
To register Kerio Control using an offline license file (typically a Kerio Control Offline License File
: Remember that rebuilding a virtual machine or changing its virtual MAC address will alter the OS Unique ID, invalidating your current offline license file.
Kerio Control is a powerful next-generation firewall and network security solution preferred by small to medium-sized businesses. While online activation is the standard method for deploying licenses, secure environments often require an alternative. If your firewall operates in an isolated network, behind a strict upstream proxy, or during a disaster recovery scenario, you must use a Kerio Control offline license file. The firewall connects directly to the GFI/Kerio registration
Enter the registered end-user information or partner details.
Re-download the file from the GFI portal. Ensure you do not open or edit the file in text editors like Notepad, as this can break the cryptographic signature. 2. Error: "Hardware ID Mismatch" This error is a symptom, not the cause,
Download the resulting .lic or .key file to a secure, portable storage device like a USB drive. Step 3: Import the File into Kerio Control
: The offline registration wizard shows a generic "Unauthorized" error.
: System engineers use offline files to script and deploy identical firewall configurations rapidly.
On the , locate and click the Configuration Assistant button in the bottom right corner.