I'm trying run the LTSP really standalone. I mean without a LTSP-Server.
My goal is a minimal client image that can boot from a Microsoft DHCP server in 
combination with a Microsoft TFTP server. The only 2 functions it must have is 
turn the pc off after for instance 22.00 in the evening and connect to a 
Microsoft Terminal Server (RDP).

I know I must create a file named lts.conf with as content:
[DEFAULT]
SCREEN_07 = rdesktop
RDP_SERVER = "terminalserver.local.domain"
RDP_OPTIONS = "-r disk:Drives=/media/boot -r sound:local"
CRONTAB_01 = "00 22 * * 1-5 /sbin/halt"

I updated it in the image and rerun ltsp-update-image as required.
For the pxe bootstrap I use iPXE with the following parameters:

kernel vmlinuz
initrd initrd.img ro initrd=initrd.img init=/sbin/init-ltsp quiet splash 
plymouth:force-splash raid=noautodetect vt.handoff=7 root=/dev/nbd0 ip=dhcp 
nbdroot=172.20.52.1:2000

But it fails on the rootfs and gives an error of defining root=   available 
options is empty and gives a kernel panic.
I understand from a chat on the IRC channel that it is impossible to use the 
LTSP without NBD/NFS so I used a windows NBD server (with amd64.img) and 
defined it in the parameters. My original idea was to include everything in the 
initrd image. I only need rdesktop not a full desktop with additional programs 
and user authentication.

Anyone knows what I am doing wrong or how I could get it to work without the 
ltsp-server?
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