Issues with MDT and the Surface Pro 3

I have an odd issue with the Surface Pro 3. I am using MDT/WDS to capture and deploy images to our machines. I have been able to capture an image using LiteTouch with no issue, and am able to install a fresh Win10 OS using MST. When I attempt to deploy my custom image, it hangs on the step “Format and Partition Disk (UEFI)”. Afterwards, I open CMD and check the disks under dispart, and the disk is missing.

If I reboot and go into WinPE then exit to command prompt, and attempt to format a partition manually, the disk will drop and not be available until I reboot. Has anyone seen this behavior?
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David Johnson, CD, MVPRetiredCommented:
that means that you need the storage driver added to windows PE
LA_AdminAuthor Commented:
So I re-imported all of the drivers for the Surface Pro 3 from the MS site, and completely rebuilt the boot images using MDT (which fixed an unrelated driver issue I was having with a different model). I got the same issue, same error. I am manually going through the unpacked driver directories, and I do not see any storage drivers in (

Did I miss it, or is it really not in there?
LA_AdminAuthor Commented:
Ok, I went to a built-from-scratch SP3, and looked for the storage driver. Found that it was named OEM57.inf. I copied and pasted that to MDT. I injected it to WinPE, and tried again. Failed. I then rebuilt the DeploymentShare boot images, and verified that the driver was injected. Tried again, failed. So either that is not the correct driver, or I am still doing something wrong.

Does anyone have any ideas?
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LA_AdminAuthor Commented:
Anyone have any ideas?
David Johnson, CD, MVPRetiredCommented:
Did you import all of the drivers and add a selection profile? Here is a good guide

After importing the drivers you have to update the deployment share
System    SMBus                        LxLpSMB.inf    is probably the driver you need the most to see the hard drive

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LA_AdminAuthor Commented:
This did it. I went back and created a WinPEx64 selection group and only put in network and storage drivers (including the one listed above), then after changing the x64 drivers and packages info to the new group (deployment share > properties > Windows PE > Platform (x64) > Drivers and Patches > change selection profile) , I completely rebuilt the boot image. reconnected it, and it is finally humming along. Thank you!
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