Autoinstall kernel argument does not work

I am attempting to set up an autoinstall environment however the installer continues to ask for confirmation even after adding the “autoinstall” parameter to the kernel arguments. We are using ipxe to boot with the following configuration.

set gfxpayload=keep
imgargs hwe-vmlinuz initrd=hwe-initrd netboot=nfs boot=casper ip=dhcp nfsroot= cloud-config-url= autoinstall
boot || goto failed

Is there something I’m missing here? The kernel arguments are passed properly and I do see autoinstall in the /proc/cmdline file in the install environment.

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