Kerio deactivates the filter if 10 consecutive DNS queries fail within one minute. Usually, it tries to re-enable itself after one hour, but a manual restart is often faster. 2. Resolve "Invalid Authorization" Failures
If your error log specifically mentions "Invalid Authorization," it likely means the has expired (tokens typically last 21 days). Kerio deactivates the filter if 10 consecutive DNS
Do you need the specific to check your current license status or verify the winroute.cfg contents? Resolve "Invalid Authorization" Failures If your error log
Ensure the value v4.url.zvelo.com is correctly set in the configuration file located at /opt/kerio/winroute/winroute.cfg . Ensure your Kerio Control Web Filter license is active
Ensure your Kerio Control Web Filter license is active. Without a valid subscription, the module defaults to a trial state and eventually disables itself.
Execute the following command to disable the reliability check: ./tinydbclient "update SiteFilter set DetectReliability=0" . Restart the service: /etc/boxinit.d/60winroute restart .
If the filter keeps disabling due to minor network fluctuations, you can disable the "Reliability Detection" feature via the Kerio Control Console: Connect to your Kerio Control appliance via . Navigate to the directory: cd /opt/kerio/winroute .