Use this template to customize your Google Tag Manager server container monitoring system. The Server Container Monitor custom tag template is a server container tag template for the Google Tag Manager community template gallery. You need to configure all of your tags so that they pass the correct metadata. Release Notes Change Date: March 26, 2021 First Release. This information can be used to proactively troubleshoot your tags. Follow the links above the blog article to learn how to do this. 2021 Simo Ahava. The label itself is easily customizable.