Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot ❲2027❳

: The Kerio Control Web Filter requires a valid license. An expired license or lapsed Software Maintenance (SWM) subscription is the most common reason for the module to be disabled. If the license is not renewed, the Web Filter and other features will cease to function.

The categorization engine requires a specific, active subscription. If your core firewall license expires, or if the standalone Web Filter add-on subscription is allowed to lapse, the software reverts to evaluation mode and deactivates the web filtering module automatically after . Complete Step-by-Step Fix Guide

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If the DNS and connectivity issues are intermittent (e.g., a temporary ISP problem), the firewall may have disabled itself and not recovered. You can force it back into service by disabling the automatic reliability check.

The error categorization is disabled indicates that this crucial communication channel has been severed. Consequently, the web filter is marked as "not reliable" or "not activated" in the Webadmin interface. : The Kerio Control Web Filter requires a valid license

If logs show an "Invalid Authorization" error, your Zvelo token may be stuck or expired.

Do you need the specific to check your current license status or verify the winroute.cfg contents?

当 Kerio Control 的 Web 过滤器因故停用时，企业不仅会失去对员工上网行为的管理能力，更会增加受到恶意网站攻击的风险。这虽然是一个令管理员头疼的难题，但通过本文的故障排查体系，您已经具备了解决它的完整能力。这套解决方案涵盖了从最简单的许可证检查到最复杂的 DNS 深度修复，无论您是初级网络管理员还是资深 IT 工程师，都能从中找到适合自己的解决路径。

If the filter remains disabled after a restart, you can manually reset the reliability detection via SSH : Login to the console via SSH. Navigate to the directory: cd /opt/kerio/winroute . If these tokens fail to refresh

: Avoid using Google's DNS (8.8.8.8) as custom forwarding servers for these requests. Use Cloudflare ( 1.1.1.1 ) or OpenDNS ( 208.67.222.222 ) instead.

Open your terminal emulator (e.g., PuTTY) and log into the firewall's root environment using your administrative credentials. Navigate to the installation directory: cd /opt/kerio/winroute Use code with caution.

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Web Filter categorization disabled. Serial number: ko-197974 a temporary ISP problem)

Enable SSH by holding the while clicking Status > System Health in WebAdmin, then select Enable SSH .

: Categorization relies on Zvelo key tokens that expire every 21 days. If these tokens fail to refresh, you will see an "Invalid Authorization" error in your logs.

Access your Kerio Control console via SSH (e.g., using PuTTY ). Navigate to the directory: cd /opt/kerio/winroute .