Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot Jun 2026

: Often, simply restarting the Kerio Control engine or the entire appliance restores internet access and re-activates the filter. Check DNS Forwarders

The Web Filter requires an active, paid subscription. If your Kerio Control Software Maintenance (Sub) expires, the categorization engine shuts down. : Often, simply restarting the Kerio Control engine

The firewall cannot resolve update.kwf.kerio.com or the category servers. : Often, simply restarting the Kerio Control engine

To permanently resolve the error and restore secure web categories, execute the following technical deployment steps in your administration infrastructure: 1. Configure Custom DNS Forwarding Rules : Often, simply restarting the Kerio Control engine