Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot

When managing web traffic filtering in Kerio Control, you may encounter the following status indicators:

As a result, web filtering rules based on URL categories (e.g., Social Media, Streaming, Adult Content) will not work. Users may be able to access all websites regardless of configured policies.

Sometimes the local database simply needs to be "kicked" to re-establish a connection with the cloud.

If the service is stuck in a frantic "hot" retry loop, force a reset:

  • Clear the local cache:
  • Start the service:

  • Verify license/subscription

  • Confirm connectivity to update servers

  • Ensure firewall/NAT rules permit outbound HTTPS to the categorization service.

  • Check system time

  • Examine logs for errors

  • Check disk space / resources

  • Restart Web Filter services

  • Force category database update

  • Verify policies and binding

  • Test from client

  • Check for known bugs / version issues

  • Contact vendor support

    • If categorization is still disabled and users need immediate protection:

    Through years of troubleshooting Kerio installations, these five culprits account for 99% of these errors: When managing web traffic filtering in Kerio Control,