Sometimes the service is simply turned off. To fix this:
After restart, wait 2–3 minutes and refresh the Web Filter page.
A Complete Guide to Restoring Web Categorization and Filtering
If you manage a Kerio Control firewall (now part of GFI Software), you may have encountered a frustrating error on the Web Filter status page: Sometimes the service is simply turned off
"Web filter is not activated"
"Categorization is disabled"
When this happens, all URL filtering, content blocking, and web category rules stop working. Traffic is either allowed or blocked entirely based on a broken database, leaving your network either over-restricted or completely unprotected from malicious sites.
This article provides eight proven methods to permanently fix this issue, ranging from simple licensing checks to advanced command-line resets. A Complete Guide to Restoring Web Categorization and
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.
On Windows-based Kerio Control installations, the web filter module may fail to register with the OS.
Repair installation:
Once you have the web filter working again, follow these best practices:
If you are running Kerio Control 9.2.x or older, GFI has deprecated the old categorization protocol. Versions 9.3+ use a newer, more stable API.
Upgrade path: