PXE Boot for UEFI and WDS
From DFWLPiki
1) Vendor class must be created under IPv4 for these classifications: (ASCII field is case-sensitive)
PXEClient (UEFI x64) - ACSII field: PXEClient:Arch:00007 PXEClient (UEFI x86) - ACSII field: PXEClient:Arch:00006 PXEClient (BIOS x86 & x64) - ACSII field: PXEClient:Arch:00000
2) on each DHCP scope, create a policy for each type of PXE client. Option 66 will always specify the target WDS server.
PXEClient (UEFI x64) - option 67: boot\x64\wdsmgfw.efi PXEClient (UEFI x86) - option 67: boot\x86\wdsmgfw.efi PXEClient (BIOS x86 & x64) - option 67: boot\x64\wdsnbp.com