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An (usually with a .lic extension) is a digital certificate that contains your specific registration details. It allows you to "side-load" your license into the Kerio Control interface without requiring the appliance itself to "call home" during the initial setup. Why Use Offline Activation?

Enter your and the captcha code, then click Next . Verify the displayed license information and click Next .

In an era where constant connectivity is the norm, the phrase "offline license" might sound like a relic from the past. However, for network administrators managing high-security environments, remote sites, or air-gapped systems, the is a critical tool.

Remember: The offline workflow is a three-step dance— Master that dance, and you will never be locked out of your own network again.

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 offline file is essentially a "ticket" that proves you have paid for a specific number of users, a specific time frame (e.g., 1 year), and specific features (like VPN or Antivirus).

Submit the form. The system will process your registration and prompt you to download a file named license.lic (or a similar variation containing your license number).

A Kerio Control offline license file (typically ending in a .lic extension) is a digital certificate issued by GFI Software. It contains encrypted data verifying your product registration, user count, subscription limits, and expiration dates.