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

It is recommended to use Cloudflare or OpenDNS (208.67.222.222) as custom DNS servers for the *.zvelo.com domains used for categorization.

If the error persists with "hot" status, you likely have a version between 9.2.0 and 9.2.5. Those versions had a known bug where the filter daemon would enter a STATE_HOT_RETRY loop indefinitely. Update to or higher (or 9.3.x) to resolve the hardcoded IP issue.

Kerio Control must communicate with external Kerio/GFI servers to verify its license and fetch URL categories.

The Kerio Control Web Filter is not activated - categorization is disabled error is a critical failure of a core security module. However, it is also a highly diagnosable problem with a clear set of troubleshooting steps. It is recommended to use Cloudflare or OpenDNS (208

If the license is valid and the internet is working, the service may be stuck.

: Use an SSH client like PuTTY or a native terminal to log in as root with your standard administrator password.

As mentioned, Kerio Control uses Zvelo's infrastructure. The communication is secured with an authorization token. These tokens have a limited lifespan and must be renewed periodically. Update to or higher (or 9

: Navigate to the core directory and modify the internal database by entering the following strings:

Restart the Kerio Control engine via the administration UI or run a complete system reboot to reset the categorization timers. Phase 3: Verifying License and Token Status

: Navigate to Configuration > Content Filter . Check your custom content rules; if they were grayed out during the outage, they will return to their functional colored status. However, it is also a highly diagnosable problem

I can provide more targeted commands and steps to permanently resolve the connectivity conflict.

The Kerio Control Web Filter is not a free feature. It requires a specialized, paid license that is separate from the base firewall license. The most common scenario leading to this error is an expired or improperly applied license.