Kerio Control Offline License File (99% COMPLETE)
Do use offline licensing if:
Do not use offline licensing if:
To understand the offline file, we must first understand what it replaces. Kerio Control Offline License File
The Online Model: When you enter a standard license key into Kerio Control, the appliance initiates an outbound connection (typically over HTTPS) to GFI’s licensing servers. It sends a hardware fingerprint and the key; the server responds with a token that authorizes the software features. This connection is often periodic, renewing the lease automatically.
The Offline Model:
In an offline scenario, the appliance cannot "phone home." Therefore, the authorization loop must be closed manually. The Offline License File (often an .lic or .key file, though Kerio often uses specific binary formats) acts as a signed certificate that says, "GFI confirms that Hardware ID X is authorized to run Feature Set Y until Date Z." Do use offline licensing if:
This shifts the burden of trust from a live connection to a static file.
Note: Some legacy versions require you to contact support to generate an offline license file. GFI may provide it via a secure email attachment. Do not use offline licensing if: To understand
| Issue | Likely Fix |
|-------|-------------|
| “Invalid license file” | Check that the file matches the exact System ID and software version. |
| License uploaded but still shows trial | Clear browser cache and refresh the license status page. |
| Cannot find offline generation option in portal | Your account may require support intervention – contact GFI Support. |
| File upload fails | Ensure the file name has no spaces or special characters; rename to license.lic if needed. |
From the Kerio Control administration interface:
