Fix — Kerio Control Offline License File

An offline license file for Kerio Control is a .key file that allows you to activate the firewall software without requiring the instance to have a direct internet connection. This is essential for secure, air-gapped environments or deployments with restricted external access where the standard automatic online registration cannot reach GFI’s servers. Phase 1: Acquiring the License Key File

: You can also receive a trial license key file by filling out the Dr.Web demoreq form if you specifically need the anti-virus component trial. Hardware Appliances Kerio Control Offline License File

Need an offline license file right now? Log into your GFI account and look for “Manual Activation” under your Kerio Control subscription. If the option is missing, open a ticket with GFI Support requesting an offline license for your specific System ID. An offline license file for Kerio Control is a

Enter your purchased license number and the security captcha code. Save the received license file to a secure workstation

Click Register product (or "Update license info" if already partially set up).

The process generally involves using a separate, internet-connected device to "fetch" the file, then transferring it to the Kerio Control unit. Step 1: Exporting the Information

How to apply the offline license (step-by-step)

1. Save the received license file to a secure workstation.
2. Log in to the Kerio Control administration interface (web admin).
3. Go to Configuration → Licensing (or Administration → License, depending on version).
4. Choose the option to upload/import an offline license file.
5. Browse to and upload the file, then confirm/apply.
6. Reboot the appliance if prompted.
7. Verify license status and expiry in the same Licensing page.

Recommendation: Store backup license files in an encrypted, access-controlled repository.