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: This error occurs when there is an inconsistency between your deployment and the license file's internal settings. Kerio Control licenses are bound to a specific deployment type: either a Hardware Appliance (NG100, NG300, NG500 series) or a Linux OS/Software Appliance (standard PC or virtual machine).
Open the Kerio Control administration interface in your browser (default IP is typically 10.10.10.1 ).
: A unique identifier generated by your specific Kerio Control installation.
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 Kerio Control Offline License File
The is a vital tool for network administrators managing firewalls in internet-restricted or secure environments. While online activation is the default method for most installations, offline activation provides a reliable alternative when internet connectivity is unavailable or problematic.
When prompted for the activation method, choose or Manual Registration . Input the System ID generated by your firewall box.
If the product is unactivated, the will launch automatically. : This error occurs when there is an
The file was altered during transfer or corrupted by the USB drive.
Enter the . This mechanism acts as a lifeline for securing networks that must remain air-gapped, isolated, or temporarily disconnected from the public internet. This article provides a deep dive into what the offline license file is, when you need it, how to generate it, and how to apply it to ensure your Kerio Control appliance never skips a beat.
In a standard deployment, Kerio Control downloads hourly updates for its integrated Sophos/Bitdefender antivirus engines and Kerio Web Filter categories. In a strict offline environment, you must periodically download these definition update packages manually from GFI's update portals and upload them via the administration panel to keep your network protected against modern threats. Common Troubleshooting Steps : A unique identifier generated by your specific
: A separate workstation, smartphone, or laptop used exclusively to download the license file from the GFI registration portal.
Insert the USB drive into your administration computer (or transfer it safely through your organization's data diode/file-scanning checkpoint). Log back into your . Go to Configuration > License . Click on the Install License or Browse button.
This file can be obtained in one of three ways: saved from a previous installation, downloaded from the Kerio Product Registration website after entering your license number, or generated by a sales representative for a newly purchased hardware appliance.
Click (or "Update license info" if you are renewing). Choose Offline Mode :
Offline activation is not a one-time task. Subscription-based licenses require regular maintenance: