Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot [extra Quality] Jun 2026

Add a rule :

The Kerio Control web filter is a crucial component of the Kerio Control software, which provides comprehensive internet security and content filtering for organizations. However, in this case, the web filter is not activated, and categorization is disabled, which can lead to security vulnerabilities and reduced productivity.

If the filter keeps disabling due to minor network fluctuations, you can disable the "Reliability Detection" feature via the Kerio Control Console: Connect to your Kerio Control appliance via . Navigate to the directory: cd /opt/kerio/winroute . Add a rule : The Kerio Control web

This toggle forces the Kerio Control engine to terminate the active filtering daemon, flush temporary lookup errors, and attempt a fresh handshake with the global categorization servers. 4. Fix Machine UUID and MyKerio Registration Conflicts

: Kerio Control relies on DNS to communicate with the Zvelo update servers for web categorization. Unreliable ISP connections, slow internet link speeds, or incorrect DNS forwarding settings can cause these automated checks to fail. This is a frequent root cause of the categorization disabled error. Navigate to the directory: cd /opt/kerio/winroute

To resolve this "disabled" state, administrators often use the following official GFI Support steps:

The error indicates that your firewall cannot classify web pages, which often leads to intermittent internet dropouts or unblocked malicious content . This critical issue typically stems from unreliable DNS queries sent to Kerio update servers, expired Zvelo URL database tokens , or subscription synchronization errors. Fix Machine UUID and MyKerio Registration Conflicts :

If your 30-day trial has expired, these options will be greyed out and unavailable until a valid license is applied.

Web Filter activation requires that Kerio Control can resolve:

categorization servers or disable the built-in reliability check that automatically deactivates the filter during network instability support.keriocontrol.gfi.com Immediate SSH Fix