Comment on KVM Virtual Machine RHEL 8.3 Linux install on Redhat 8.3 Linux Hypervisor with custom tailored kickstart.cfg by Joseph Bloe.
'auth' and 'authconfig' were deprecated in RHEL8, not sure why you're bothering (ref. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/performing_an_advanced_rhel_installation/kickstart-commands-and-options-reference_installing-rhel-as-an-experienced-user):
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B.1.1. auth or authconfig is deprecated in RHEL 8
The auth or authconfig Kickstart command is deprecated in Red Hat Enterprise Linux 8 because the authconfig tool and package have been removed."
