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What Could Go Wrong?
If you are not be able to configure any Content Filter policies or it’s not working,
there are two possible reasons:
You have not subscribed for the Content Filter service.
You have subscribed for the Content Filter service but the license is
expired.
You can click the link from the CONFIGURATION > Licensing > Registration screen
of your ZyXEL device’s Web Configurator or click the myZyXEL.com 2.0 icon from
the portal page (https://portal.myzyxel.com/) to register or extend your Content
Filter license.