Incorrect DNS forwarding settings or slow Internet link speeds can prevent communication with Kerio update and Zvelo categorization servers. 2. Resolution Steps A. Adjust DNS Forwarding (Recommended)
Ensure your license includes the Web Filter module, as it reverts to a trial and disables automatically after 30 days without a valid key. Use the Configuration Assistant Update license info to refresh your status. support.keriocontrol.gfi.com Checklist for Persistent Issues Check Time & Connectivity: Incorrect DNS forwarding settings or slow Internet link