The error message "Kerio Control Web Filter is not activated, categorization is disabled"

Troubleshooting Steps

Verification

After completing the steps:

Kerio Control: “Web filter is not activated — Categorization is disabled” — Fix Guide

Summary

This message means Kerio Control’s web filtering engine cannot categorize or block web content because the URL categorization service is offline or disabled. As a result, the Web Filter feature won’t evaluate sites by category and will either allow or block traffic only by IP/URL rules or default policy. The steps below diagnose common causes and restore categorization and web filtering.

Or for newer versions:

Add a rule for *.zvelo.com to use Cloudflare (1.1.1.1) or OpenDNS (208.67.222.222). Verify Authorization

: If the filter stays "disabled" even after the network is fixed, the admin logs into the Kerio console via