Creating Windows PE Image

Install Windows Assessment and Deployment Kit (ADK), including the Windows PE feature
Click Start, and type deployment. Right-click Deployment and Imaging Tools Environment and then select Run as administrator.
In the Deployment Tools and Imaging Environment, copy the WinPE files for the PCs you want to boot. The 64-bit version can boot 64-bit UEFI and 64-bit BIOS PCs.

  copype amd64 C:\WinPE_amd64

The 32-bit version of WinPE can boot 32-bit UEFI, 32-bit BIOS, and 64-bit BIOS PCs.

  copype x86 C:\WinPE_x86

Mount the WinPE image.

  Dism /Mount-Image /ImageFile:"C:\WinPE_amd64\media\sources\boot.wim" /index:1 /MountDir:"C:\WinPE_amd64\mount"

Modify the Startnet.cmd script to include your customized commands. This file is located at

  C:\WinPE_amd64\mount\Windows\System32\Startnet.cmd
    ... after winpeinit ...
  net start server
  net use S: \\<server>\<share> /U:<server>\<username> <password>
  
Enable SMB1 Feature
 
 dism.exe /Image:"C:\WinPE_amd64\mount" /enable-feature /featurename=SMB1Protocol-client

Unmount WinPE Image

  Dism /Unmount-Image /MountDir:"C:\WinPE_amd64\mount" /commit