I've built bootable USB build keys for our E5250's, E7450's and Venue 11 Tablets successfully using 64Gb USB sticks, allowing us to to deploy large images to these machines.

We recently purchased some E7470's but these systems don't recognise NTFS formatted KBE boot or Imaging USB sticks greater than 32Gb.
Our image is typically just over this (about 37Gb)

Can someone tell me if it's possible to have the E7470's image from a large capacity USB??

I can still image across the network via a smaller capacity KBE Boot key
I have made sure PE has all the drivers it needs, it works fine as a KBE key!

Any Clues?

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Use RUFUS to create the KBE boot

Using a KBE Boot ISO, you can just select it in Rufus, set the partition scheme to GPT partition scheme for UEFI computers and set the file system to NTFS. RUFUS can automatically make that NTFS partition UEFI

Downloaded USB image for build from KACE, installed to USB Key.

I had to disable 'Secure Boot' but I can re-enable after the image is applied.

All good!! 64Gb USB KBE Boot Imaging key
Answered 07/18/2016 by: mwhiting
White Belt

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it sounds like those models have dumped the hybrid of BIOS and UEFI in favour of UEFI and UEFI will only recognize FAT32 formatted disks for their boot disks, you can choose a split-image or partition the usb disk and put your custom WIM on that partition but the boot needs to be FAT32, i know dell did this with some latitude models about 3 months ago that we got in, and those machines were accelerated onto our windows 10 program instead of our win 7 program 
Answered 07/12/2016 by: sparky86
Third Degree Brown Belt

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