With the release of Kerio Control v10 and later, GFI has streamlined the UI but maintained robust support for offline modes. Notably, v10 introduced a "Hybrid Mode" where the firewall attempts online activation every hour; if it fails x times, it falls back to an imported offline grace period. However, for pure offline, the process remains unchanged.
How to Obtain and Install a Kerio Control Offline License File Kerio Control Offline License File
: If a hardware box rejects a key, the license might be missing the correct OS and extension values . Contact GFI Sales to obtain a modified file. With the release of Kerio Control v10 and
Then restart the keriocontrol service:
When using an offline license, some diagnostic and support tools that rely on online health checks may be unavailable. Always keep a backup of your current license file. How to Obtain and Install a Kerio Control
: Enter your purchased Server License Number and the required captcha code.
To register Kerio Control offline, users must download a license.key file from the official GFI support portal and import it via the Administration interface. This process requires manual registration through the Configuration Assistant or Initial Activation Wizard. Read the full guide at GFI Support . Registering Kerio Control - KerioControl - GFI