Kerio Control Offline License File -

To register Kerio Control using an offline license file, you must manually generate the file from the GFI/Kerio registration portal and upload it to your administration interface. This method is necessary for installations without an active internet connection or instances placed behind strict firewalls that block automatic registration. 🛠️ Step 1: Obtain the License File

Complete the remaining steps of the registration wizard as prompted. Important Considerations Registering Kerio Control - KerioControl - GFI Kerio Control Offline License File

: Access the Kerio Control administration interface via its IP address (typically To register Kerio Control using an offline license

When Do You Need an Offline License?

• Air-gapped networks – No internet connectivity by policy or design.
• Strict outbound firewall rules – Kerio Control itself is behind a corporate firewall that blocks access to license servers.
• Temporary license renewal issues – If your online activation fails repeatedly due to DNS or proxy problems.
• Virtual or lab environments – Where you want full control without external dependencies.

6. When to Choose Offline Licensing

Do use offline licensing if:

Recommendation: Store backup license files in an encrypted, access-controlled repository. Air-gapped networks – No internet connectivity by policy