Did this error start happening ?
Configure specifically for the domain rule *.zvelo.com .
Kerio Control Web Filter Not Activated: Troubleshooting Categorization Disabled Did this error start happening
If the filter is activated but still blocking legitimate sites, you can bypass the categorization engine for specific URLs. Using Kerio Control Web Filter
cd /opt/kerio/winroute ./tinydbclient "update SiteFilter set DetectReliability=0" /etc/boxinit.d/60winroute restart Use code with caution. Copied to clipboard Other Potential Causes Using Kerio Control Web Filter cd /opt/kerio/winroute
Set the rule to Allow and move it to the top of the processing list. 📋 Verifying the Fix
The most common cause of this error is an expired product license. Kerio Control's advanced features—including the Web Filter, Intrusion Prevention System (IPS), Application Awareness, and Antivirus—are subscription-based. When your license expires, these premium modules are systematically disabled. Without a valid license, the Web Filter module is disabled by the system, and any attempt to use it will result in the "not activated" message. Intrusion Prevention System (IPS)
Support may provide a hotfix or confirm a known bug.
. This triggers a "not reliable" status, causing the web filter to disable itself to prevent blocking legitimate traffic due to a lack of data. support.keriocontrol.gfi.com Direct Solutions Wait for Automatic Reversion
The Kerio Control Software Maintenance Agreement (SMA) or Web Filter license has expired.