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Hello guys i'm currently running into an issue where the laptop that i'm trying to network boot with would go download the NBP file over the network but then it would go back to the BIOS menu. I was following this guide in the process.

as you can see from the screenshot below that once the "Downloading NBP file..." appear for sometime, then it would throw me back into the BIOS menu.

Screenshot

What's Expected: the "Succeed to download NBP file" message should come up next and then boot into WinPE.

Environment:

  • HP Elitebook 850 G4 (Laptop to PXE boot) (BIOS Updated)
  • Server 1 (WS2016) - DHCP
  • Server 2 (WS2016) - Microsoft Deployment Toolkit & Windows Deployment Server

Any help would be appreciated, thanks!

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  • Hi @hexalogy, I saw SCCM in your tag. Are you using SCCM with this environment? I do not remember there being a NBP option with pure MDT and WDS. It should say Windows is loading files. – Elliot Labs LLC Feb 9 '20 at 0:14
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pxeboot.n12 is a BIOS NBP

bootmgr.exe is a BIOS NBP

bootmgfw.efi is a UEFI NBP

but

LiteTouchPE_x64.wim is not an NBP; the PXE firmware will fail trying to directly boot a wim file and it would go back trying to boot again... the booting sequence could be i.e.

pxeboot.n12->bootmgr.exe->LiteTouchPE_x64.wim

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  • This was it! thanks! had to point it to bootmgfw.efi instead – Hexalogy Feb 13 '20 at 13:56
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For the "HP EliteDesk 800 G5" I chose the file SMSBoot\x64\wdsmgfw.efi (SCCM 2019)

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