Kerio Control Offline License File

Sometimes, an organization has internet access, but the proxy settings are so restrictive (e.g., requiring NTLM authentication or specific root CA certificates) that Kerio Control cannot perform its automated handshake. Manually importing an offline license bypasses the proxy drama.

When your subscription expires, you must repeat the manual process to upload a new license file; the system won't automatically reflect your purchase. Troubleshooting Common Issues Kerio Control Offline License File

Save this file to a USB drive or transfer it via a secure, offline mechanism (a QR code printed on paper is technically more secure than a USB stick for true air-gaps). Sometimes, an organization has internet access, but the