Remember: Cloud categorization requires the firewall itself to act as a client. Treat it like any other workstation that needs DNS, NTP, and outbound HTTPS access. With proper monitoring and preventative maintenance, you can ensure that “categorization disabled” becomes a rare event rather than a recurring headache. Visit the official Kerio Control Knowledge Base or the GFI Community Forums. Always include your debug logs (Diagnostics → Generate Support Info) when seeking vendor support. Last updated: 2025 Revision: 4.0
By systematically working through the eight steps outlined above—license validation, enabling the engine, checking DNS and NTP, configuring an upstream proxy, and clearing corrupted caches—you can restore full web filtering in minutes. Visit the official Kerio Control Knowledge Base or
This article explains why this message appears, the seven most common causes, and step-by-step solutions to restore full web filtering functionality. To understand the error, you must first know how Kerio Control’s web filter works. This article explains why this message appears, the