Are you seeing any specific in the Kerio Control Error Log when you try to enable the filter?
If this fails, you may need to clear the cache via the console by deleting the contents of the /var/winroute/webfilter/ directory (advanced users only). 4. Firewall Rules and Port Access Are you seeing any specific in the Kerio
Go to Status > System Health and use the Debug or Ping tool (or SSH into the box). Try to ping google.com or ://kerio.com . Are you seeing any specific in the Kerio
Ensure is checked and the time zone is correct. Even a five-minute discrepancy can cause the Web Filter to show as "not activated." 6. Update to the Latest Version Are you seeing any specific in the Kerio