Kerio Control Web Filter Is Not Activated — Categorization Is Disabled Hot ((install))

Web Filter categorization disabled. Serial number: ko-197974

Use a reliable pool like pool.ntp.org or your local region's NTP server.

Incorrect DNS settings often block the appliance from reaching update servers. Web Filter categorization disabled

Remember, this is a temporary workaround. Monitor the official Kerio Control release notes for a permanent fix.

Navigate to > Applications and Web Categories . Remember, this is a temporary workaround

Kerio Control relies on a cloud-based classification engine (powered by Zvelo ) to check URL strings in real-time.

: Rebooting Kerio Control often restores the link to the update servers support.keriocontrol.gfi.com Verify License Kerio Control relies on a cloud-based classification engine

After completing the troubleshooting steps, you should:

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Using public DNS servers like Google ( 8.8.8.8 ) on your master network interfaces can frequently trigger token handshake failures with Zvelo servers. You must route optimization queries through alternative upstream providers. Log in to the Kerio Control Web Administration Interface . Navigate to > DNS .

: Kerio uses an external database from Zvelo to categorize websites. The system uses key tokens that expire every 21 days. If Google Public DNS or restrictive ISP servers handle these specific requests, the validation sequence frequently fails.