Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work !link! Jun 2026

Enable SSH by holding and clicking Status > System Health . Log in via SSH and run:

If the Web Filter module is disabled, you will see the error immediately.

Follow these steps in order to diagnose and resolve the issue. Enable SSH by holding and clicking Status > System Health

Monitor the subscription status to avoid abrupt service shutdowns.

In this article, you will learn what causes the "Kerio Control Web Filter is not activated" error, how to diagnose whether the problem stems from licensing, misconfiguration, or external factors, and the specific steps you need to take to get your Web Filter back online—including code-level fixes for the most stubborn cases. Monitor the subscription status to avoid abrupt service

The first wave was innocent. A freshman in Ms. Albright’s history class searched for "Roman Empire engineering." Without categorization, the filter didn't know if this was "Education" or "Weapons." The system defaulted to a limbo state—it let everything through, but it also forgot how to cache or prioritize.

Enter a known URL (e.g., google.com ) and verify that a category is returned instead of an error. A freshman in Ms

Ensure is open outbound for license checks.

An inactive Kerio Control Web Filter completely breaks your network security policy. It stops URL categorization and blocks content filtering. This leaves your network vulnerable to malicious websites and unauthorized traffic.

The message is not a minor glitch—it signals that category-based content filtering is completely offline. Most often, the culprit is an expired license, DNS failure, or an outbound firewall rule blocking the appliance’s own traffic.

If you are still having issues after these steps, it is highly recommended to reach out to GFI Support for further technical assistance.