Are you seeing any specific or authorization errors in your Warning or Error logs?
Categorization re-enables within 30 seconds. Are you seeing any specific or authorization errors
: Check Status > System Health for any reported DNS timeouts or license errors. One of the most common issues network administrators
One of the most common issues network administrators face with Kerio Control is opening the administrative interface to find that the is not activating, or that URL categorization is disabled . This state prevents the enforcement of browsing policies, leaving the network vulnerable or unmanaged. After applying the relevant solutions, verify success: :
This error typically means an expired Zvelo key token (which expires every 21 days) is being used.
After applying the relevant solutions, verify success:
: Often, a simple service restart or hardware reboot forces a re-authentication with the license servers. Verify DNS Settings : Ensure Kerio Control can resolve external hosts. Use the Google Public DNS (8.8.8.8) or Cloudflare DNS (1.1.1.1) as forwarders. Root Causes & Solutions 1. Expired Authorization Token (Zvelo)