GFI/Kerio frequently updates the URLs used for categorization and licensing. If you are running a very old version of Kerio Control, it may be trying to contact a retired server. Go to .
No categorization data appears in traffic logs.
By following these steps, you should see the status change to and your categorization rules will resume functioning immediately. No categorization data appears in traffic logs
Use this checklist to systematically verify the fix:
Press and hold the on your keyboard, then click on Status > System Health in the left menu. Sometimes the link between your appliance and the
Sometimes the link between your appliance and the cloud service becomes stale. Go to .
: Log in to the Kerio Control Administration interface and check the Dashboard . If it shows as "unregistered" or "trial expired," the Web Filter will automatically disable after 30 days. No categorization data appears in traffic logs
If the preliminary checks fail, follow these steps to fix the issue. Step 1: Re-Activate the License Sometimes the registration token becomes corrupted. Go to the . Navigate to Content Filter > Web Filter . Click Activate/Register and re-enter your license key. Ensure it shows "Active." Step 2: Fix DNS Configuration (Most Common Cause)
Toggle the Web Filter "Enable" checkbox to reset the connection.
If your logs show FAILURE: Invalid authorization , your DNS servers may be failing to resolve the Zvelo categorization service .