Filter Is Not Activated Categorization Is Disabled Fixed — Kerio Control Web

Hold down the key on your keyboard and click Status > System Health .

The Kerio Control web filter is a crucial component of the Kerio Control software, which provides comprehensive internet content filtering and security. When the web filter is not activated, and categorization is disabled, it can lead to inadequate protection against malicious websites and inappropriate content.

If the error persists despite valid licensing and connectivity, the local license file may be corrupted.

Ensure your WAN interface has valid, working DNS servers (e.g., or ISP provided). Hold down the key on your keyboard and

The Kerio Control Web Filter may not activate, or categorization may be disabled due to various reasons, including:

Categories rely on HTTPS certificates and time-based tokens. If your system clock is off by more than a few minutes, the categorization service will disable itself to avoid security mismatches.

Navigate to Content Filter > Applications and Web Categories and ensure the Enable Kerio Control Web Filter checkbox is checked and active. If the error persists despite valid licensing and

With these details, I can provide a more targeted configuration fix. Share public link

Use of an expired Zvelo key token (tokens typically expire after 21 days).

Enable SSH in Kerio Control: Hold the key and click on the System Health tab in the web admin interface. Click Enable SSH . If your system clock is off by more

Corrupted local database can cause categorization disabled.

When the Kerio Control Web Filter displays a "not activated" or "categorization disabled" status, the problem is rarely an actual license removal. Instead, it usually stems from communication breakdowns with GFI/Kerio's backend server partner, , which categorizes URLs in real-time.

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.

: After modifying DNS settings, a system reboot is recommended to clear cached authorization tokens that typically expire every 21 days. Solution 3: Verify License Status

Before diving into fixes, confirm the exact error by navigating to: