By [Your Name/Tech Team]
One of the most powerful features of Kerio Control is its ability to filter web content, blocking malicious sites and restricting categories like gambling, adult content, or social media. However, administrators occasionally encounter a frustrating scenario: the Web Filter status displays "Not Activated" or warns that "Categorization is Disabled."
When this happens, your firewall rules relying on URL categories cease to function, leaving the network vulnerable or unfiltered.
This article explores the root causes of this error and provides a step-by-step guide to getting your web categorization back online. By [Your Name/Tech Team] One of the most
Use Kerio’s built-in email alerts:
If your network connects to the internet via a corporate proxy, Kerio Control must be told to use it.
Go to Configuration → Advanced → Proxy Settings or Web Filter → Upstream Proxy (version dependent). Use Kerio’s built-in email alerts: If your network
Enter:
Without this, categorization requests will time out.
Follow these steps to resolve the "Categorization is Disabled" status. Without this, categorization requests will time out
If you have tried DNS fixes, time sync, license reinstall, cache deletion, and service restarts, you may be facing a deeper system corruption.
Last resort: Reinstall Kerio Control preserving the configuration.
Warning: Restoring a corrupted configuration can re-introduce the problem. If categorization was disabled in the backup, it will be disabled after restore. You will need to re-check the "Enable categorization" box (if present) or re-bless the license.
Once your Kerio Control web filter is active and categorization is working again, take these steps to avoid a repeat.