Network Image Utility: Can‘t add metapackages

The Network Image Utility allows you to add packages to be installed after the initial installation of the operating system. This feature works with individual packages, not metapackages.
Symptom

You can't add metapackages to Network Installation Images using Network Image Utility.

Solution

This feature is not designed to work with metapackages. Follow the steps outlined in the System Image Administration guide for adding individual packages.
Published Date: Oct 7, 2016