Kerio Control Offline License File |link| May 2026

: 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.

: Fill in your company information and select the appropriate operating system (for software installs) or enter your Hardware Serial Number if using a physical appliance.

: Provide your purchased Server License Number and solve the captcha. Kerio Control Offline License File

If you encounter errors during the offline registration process, check the following:

Once you have the file, you need to transfer it to your Kerio Control administration interface. : If a hardware box rejects a key,

: A common error preventing the license from saving is a full disk. You may need to clear cache files via the console (e.g., using Putty) to free up space.

: Log in to the Kerio Control Administration interface . : Provide your purchased Server License Number and

: Click Register product (or Update license info if re-registering).