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

The Web Filter is a separate licensed module. If your Kerio Control license has expired or was not properly activated, the module will automatically disable itself.

: Restart the Kerio Control appliance after making DNS changes. Fix 2: Disable Reliability Detection via SSH

/etc/init.d/kerio-control stop rm -f /var/kerio/kerio-control/categorization.db* /etc/init.d/kerio-control start The Web Filter is a separate licensed module

If logs indicate DNS response 'FAILURE: Invalid authorization' (likely from v4.url.zvelo.com ), the token expired. Ensure your internet connection is stable.

This guide outlines the symptoms, the root causes, and the procedure to permanently fix this issue. Fix 2: Disable Reliability Detection via SSH /etc/init

After performing the fixes, navigate back to . The "Categorization is disabled" warning should be gone. The status should show "Active."

instead of Google's DNS to ensure correct token transfer from internal servers. Renew/Update License: After performing the fixes, navigate back to

Check the box to and click Edit (or Add). In the DNS name field, enter exactly: *.zvelo.com

: Log in to the Kerio Control Administration interface and check the Dashboard . If it shows as "unregistered" or "trial expired," the Web Filter will automatically disable after 30 days.

Once you have the web filter working again, follow these best practices:

Ensure there is a rule allowing the itself to access the Internet via any service (or at least HTTP/HTTPS/DNS).