UEFI Client PXE Boot error fails with BSOD: Unmountable_Boot

UEFI Client PXE Boot error fails with BSOD: Unmountable_Boot_Volume

Hi experts

When I try to boot my uefi client from LAN it successfully downloads boot.wim from my WDS 2012, shows the Windows Logo for some seconds, but then it crashes, showing BSOD and the message "UNMOUNTABLE_BOOT_VOLUME".

I'm using the same x64 boot.wim as with the BIOS clients, but with the mbr clients it works.

What is it, that makes my boot.wim unusable for uefi clients?

Edited by leachimresalb 18 hours 5 minutes ago

June 8th, 2015 5:39am

Are you using WinPE 5.0?

What is the size of your boot.wim and how much RAM on the clients?

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June 8th, 2015 4:36pm

8 gb RAM, boot.wim: 236 mb, install.wim: 3 gb

Where would I see WinPE Revision? Boot.wim comes from a Windows 8.1 DVD...

June 9th, 2015 2:23am

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