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

Here’s a useful, concise fix for the issue: Kerio Control web filter not activating with “categorization is disabled.”

2. Activate Categorization

• Navigate to Web Filter → Settings.
• Check the box: “Enable URL categorization” (or similar wording depending on version).
• Apply the change.

Fix #6: Re-enter Your License Key

Even if your license appears active, re-entering it can re-trigger the activation of the web filter module. Here’s a useful, concise fix for the issue:

1. Status → License Information → Change License.
2. Enter your license key again (even if it’s the same).
3. Click Activate.
4. Watch the activation log. It should explicitly say: "Web Filter module activated."
5. Go to Web Filter → URL Categorization – the status should now read "Categorization is active."

Troubleshooting Kerio Control: Web Filter Not Activated & Categorization Disabled

One of the most common issues network administrators face with Kerio Control is opening the administrative interface to find that the Web Filter is not activating, or that URL categorization is disabled. This state prevents the enforcement of browsing policies, leaving the network vulnerable or unmanaged. Navigate to Web Filter → Settings

This guide outlines the symptoms, the root causes, and the procedure to permanently fix this issue. the root causes

Preventive recommendations

• Monitor subscription expiry and set alerts for renewals.
• Keep system time synced with a reliable NTP server.
• Allow outbound HTTPS from Kerio to categorization endpoints in upstream firewalls.
• Regularly update Kerio Control to the latest supported version and patch web-filter components.
• Schedule periodic checks of Web Filter status and run test queries.

Final Checklist: Is It Fixed?

After applying the relevant solutions, verify success:

| Item | Expected Status | |------|----------------| | License → Web Filter | Licensed | | Web Filter → Categorization | Enabled (green) | | Last update | Within 24 hours | | Test a known category | e.g., facebook.com → Shows Social Networking |

If the error persists even after all eight fixes, contact GFI Support and attach the categorization.log file from /var/log/kerio/control/ or categorization folder. Provide them with:

• Exact Kerio Control version
• License ID (last 6 digits)
• Output of tail -100 categorization.log from the time of failure