Windows PE PXE Boot Architecture Auto-Detection Using gpxelinux.0 From SYSLINUX

Here’s how I finally got architecture auto-detection for Windows PE working – using two separate TFTP servers, though, so it’s far from ideal.

Start by cloning your tftpboot directory and configuration to a new TFTP server. Next, get a copy of syslinux-3.86 (while the syslinux website is apparently down, and has been for a few months, googling for syslinux-3.86.tar.bz2 should make it show up on a mirror somewhere). You’ll need a working gcc toolchain, and a relatively recent version of nasm. Unpack the syslinux source somewhere, copy /gpxe/gpxelinux.0 and put it in tftpboot; change your DHCP server’s Option 67 to gpxelinux.0 instead of pxelinux.0.

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