Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot [hot] -

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By methodically investigating the state of your Web Filter license, verifying your DNS and internet connectivity, examining authorization tokens, and checking for known software bugs, you can quickly identify the root cause. Once you apply the appropriate solution—whether renewing a license, adjusting DNS forwarders, or disabling automatic reliability detection—the web filter will resume its function, restoring your network's security posture and ensuring that your content filtering policies once again govern user traffic as intended.

Web Filter categorization disabled. Serial number: ko-197974

Stop the filtering service:

Web 过滤功能需要特殊的许可证（Special License）。在未注册的状态下，只能试用 30 天，一旦过期，该功能会自动禁用。

Test connectivity via SSH or the Kerio Web Administration console by pinging ://kerio.com or ://kerio.com . 3. Synchronize System Time (NTP)

Run the following commands to stop the control service, clear the update cache, and restart it: This public link is valid for 7 days

Establish an to your Kerio Control appliance using a client like PuTTY. Log in using your root administrative credentials. Navigate to the installation directory by running: cd /opt/kerio/winroute Use code with caution.

Troubleshooting Kerio Control: "Web Filter is Not Activated, Categorization is Disabled" Error

Observe the dashboard – the error should disappear within 2 minutes. Can’t copy the link right now

Enable SSH access in .

: Ensure the filter is toggled on under Content Filter > Applications and Web Categories in the administration interface. User Experience Impact

Security certificates require accurate system time to validate the connection between your firewall and the Kerio servers. Once you apply the appropriate solution—whether renewing a

Remove the cache directory:

Ensure its value is explicitly set to the current address: . Workarounds for Critical Outages