Cadet 1st Class
Cadet 1st Class

pxemenu.txt - start MDT - Legacy BIOS vs UEFI

In Oscar and Todds webinar-session about MDT in june they showed among many other things how to start upp en MDT session from the pxemenu.
Creating an MDT Bundle creates directory in /vastorage/srv/tftp/mdt.
Example of start-row in legacy bios would be:
option = execute ; "Install Win10 via MDT"; "Install new Windows 10 64bit via MDT" ; pxelinux.0 ; mdt/82d919552a76f39307ae7ad5991bd141/x64/winpe.cfg
Works perfect.
Question 1.
Altough there are no winpe.cfg in that directory, it works fine. Changing to something else will not work. So what is the secret with with that row/winpe.cfg? Where is it?
Question 2.
Oscar and Todd points out the other pxemenu.txt, for UEFI, and says that this of course needs to be modified aswell.
But no example is shown.
Syntax in UEFI version of pxemenu.txt is different for UEFI than for Legacy.
Tested some variants, but cant get it to start.
Can somone please post an example.
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1 Reply

Hi Stefan,

to question #1 it's correct that winpe.cfg doesn't need to be present, I guess it's just a trigger for the PXE engine to correctly load the MS bootloader instead of grub.

To #2 a correct pxemenu.txt entry for EFI boot would be

option = "execute;Start MDT Deployment;Launch WADK WinPE environment;mdt/c4430483d52ed4fc59c0e6a54338cec2/x64/boot/bootmgfw.efi;efi/x86_64/winpe.conf"

The file should be somewhere under "/srv/tftp/efi/".
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