The most common cause is a licensing hiccup. Even if you believe your license is valid, the system needs to verify this with the activation servers.
If you manage a network using Kerio Control (now part of GFI Software), you rely on its web filtering capabilities to enforce acceptable use policies, block malware domains, and regulate bandwidth. So, it’s more than a little alarming when you log into the administration interface and see the dreaded red or orange alert:
"Web Filter is not activated. Categorization is disabled." The most common cause is a licensing hiccup
This error means that Kerio Control cannot connect to the cloud-based URL categorization service, or that the local database is corrupted/present. As a result, your firewall falls back to basic filtering or no filtering at all, rendering your security policies useless.
In this guide, we will explore why this error occurs and provide a step-by-step troubleshooting sequence to restore full web filtering functionality. Click Refresh (or "Check Status") to force the
Verify that the system running Kerio Control has sufficient resources.
/opt/kerio/mailserver/konsole
service categorization restart
Or on older versions:
/etc/init.d/kerio-categorization restart
If SSL inspection is off, HTTPS sites may appear uncategorized.
This message means Kerio Control’s web filtering engine cannot categorize or block web content because the URL categorization service is offline or disabled. As a result, the Web Filter feature won’t evaluate sites by category and will either allow or block traffic only by IP/URL rules or default policy. The steps below diagnose common causes and restore categorization and web filtering. If you manage a network using Kerio Control