Kerio Control Offline License File

Offline licensing eliminates network timeouts, but introduces new failure vectors.

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.

: 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.

Choose the .lic file from your media storage and click .

Configure an internal Kerio Update Server or update definitions manually via directory insertion. Kerio Control Offline License File

The file was modified, truncated during download, or corrupted while transferring via USB.

Click or Import . The page will refresh, and your updated user limits, expiration dates, and registered company name will be visible. Troubleshooting Common Offline License Errors

The process involves submitting an identification string from your machine and receiving the license file in return. When to Use Offline Activation

When a license is purchased or renewed, it must be registered with GFI's licensing servers. For environments with a stable internet connection, this process happens automatically. The offline license file is the mechanism that allows you to complete the registration and activation process on a completely isolated firewall. : If a hardware box rejects a key,

While an offline license fully enables the core firewall routing, bandwidth management, and user authentication rules, running an offline security gateway introduces specific maintenance hurdles. Security Defenses Requiring Strategic Planning

Depending on your specific Kerio Control software version, offline licenses may contain a built-in time stamp limitation. Some enterprise licenses require a fresh offline file generation annually or at the end of the subscription term to prevent the firewall from reverting to an evaluation state. Troubleshooting Common Offline License Errors

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Country-based blocking rules will rely on outdated telemetry unless updated manually through patch files. Troubleshooting Common Issues "Invalid UUID" Error Configure an internal Kerio Update Server or update

Verify your current license settings, owner information, and reseller details.

In the registration window, select the link for .

Manual license importing can occasionally trigger validation issues. Below are the most common errors and how to resolve them quickly. 1. "Invalid License File" or "Corrupted Signature"

The Offline License File is a downloadable license token you apply directly to a Kerio Control appliance when the device can’t reach the vendor’s licensing servers. It replaces online activation and keeps security services running without exposing the appliance to external connectivity just for license validation.