Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work [best] May 2026

: Zvelo tokens expire every 21 days; if they can't refresh due to blocked traffic, categorization fails.

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 or warns that "Categorization is Disabled." : Zvelo tokens expire every 21 days; if

: A simple restart can often clear temporary authorization token failures or DNS timeouts. Advanced Troubleshooting (via SSH) or social media. However

: In the GFI Accounts Portal , verify your license is not expired. verify your license is not expired.