Country-based blocking rules will rely on outdated telemetry unless updated manually through patch files. Troubleshooting Common Issues "Invalid UUID" Error
Before installing the license on your firewall, you must generate the license file using a computer that has internet access (e.g., your management workstation). Follow these steps:
The offline license file, typically named license.key , contains your purchased license entitlements and a corresponding certificate. It is used to activate Kerio Control manually when the appliance cannot access the internet for online registration. The file is tied to the specific operating system (Windows or Linux) or hardware appliance you intend to run.
Return to your air-gapped Kerio Control appliance. Kerio Control Offline License File
In an era of persistent connectivity, managing network security appliances in presents a unique paradox: How do you license a firewall that, by policy, cannot phone home to a vendor’s activation server?
Network administrators often need to deploy firewalls in secure, isolated environments. GFI Kerio Control typically relies on an active internet connection to validate its product subscriptions. However, in high-security zones, military networks, or remote locations lacking stable internet access, standard online activation is impossible.
Click Activate or Finish . The system should now show as registered. Troubleshooting Offline Activation If the registration fails, ensure the following: Country-based blocking rules will rely on outdated telemetry
for the changes to reflect on the online registration portal. customercare.gfi.com troubleshooting an "invalid license" error or instructions on how to this license to a new appliance? Registering Kerio Control - KerioControl - GFI
The Kerio Control offline license file is a lifesaver for secure or isolated networks. While it requires manual effort every renewal cycle, it ensures you remain fully compliant and protected without compromising your security posture. Always store the .lic file in a secure, backed‑up location – losing it means contacting support for a replacement.
In High Availability (HA) master/slave setups, ensure you generate the license file using the primary node's details. The secondary node mirrors the licensing state of the master node during a failover event. It is used to activate Kerio Control manually
Once the file is selected, click "Next" and follow any remaining on-screen prompts to complete the registration process.
While an offline license fully activates the core firewall, routing, and VPN capabilities, certain cloud-reliant features require manual maintenance: 1. Antivirus and Web Filter Deficiencies
: Useful when setting up a new Kerio Control Box that isn't yet configured for WAN access.
Move to a computer with active internet access to retrieve the file from the official portal.