: The default ISP DNS servers might be throttling requests from the filter, which makes frequent calls to services like for page ratings. License Hiccups
: Some legacy licenses (e.g., Kerio Control 7.x perpetual) do not include the categorization service. You may need to upgrade to a “Content Filtering” add-on. : The default ISP DNS servers might be
To fix the issue where the Kerio Control web filter is not activated and categorization is disabled: To fix the issue where the Kerio Control
If you have performed all the steps above and the error persists, it’s time to escalate. Gather the following before contacting support: If the problem persists, consider seeking assistance from
Sometimes the service just needs a kick.
By following the steps outlined in this write-up, you should be able to resolve the issue of the Kerio Control Web Filter not activating or categorization being disabled. If the problem persists, consider seeking assistance from Kerio Control support or a qualified network administrator. Regularly updating and monitoring your Kerio Control installation can help prevent such issues and ensure optimal performance.