Here is our Whitepaper on how to set up Network Booting using Microsoft DHCP scopes instead of using IP Helpers to boot both BIOS and/or UEFI clients. Want to replace all of your legacy PXE Servers with a single HTTP Based iPXE Solution? Check out our iPXE Anywhere project
Here you go! Happy PXE Booting..
If you are too busy/too lazy/on-the-sofa/whatever you can view the video below instead!