How to slipstream a Windows ISO

##--------------------------------------------------------------------------------------------------------------            
## Script for slipstreaming drivers to a windows install iso             
##            
## Prereq.  - Download the Windows ADK for windows 10, install only the Deployment tools and Windows PE !            
##       - Download the latest version of Windows ISO            
##      - Download the drivers to slipstream            
##          - Run this script as administrator!            
##          - Set the variables before running script            
##            
## Copyright Bart Michel            
## Date: 12-07-2018            
##--------------------------------------------------------------------------------------------------------------            
            
## Location of Downloaded files            
$IsoLocation = "C:\Temp\SW_DVD9_Win_Server_STD_CORE_2016_64Bit_English_-4_DC_STD_MLF_X21-70526.ISO"            
$DriverLocation = "C:\Temp\Drivers"            
$Bootorder = "C:\Slipstream\BootOrder.txt"            
            
## Location of directories            
$ExportedISOLocation = "C:\Slipstream\WindowsISO"            
$ExportedDriverLocation = "C:\Slipstream\Drivers"            
$SlipstreamDir = "C:\Slipstream"            
$SourcesDir = "C:\Slipstream\WindowsISO\sources"            
$MountDir = "C:\Slipstream\Mount"            
$oscdimg  = "C:\Program Files (x86)\Windows Kits\10\Assessment and Deployment Kit\Deployment Tools\amd64\Oscdimg\oscdimg.exe"            
$etfsboot = "C:\Slipstream\WindowsISO\boot\etfsboot.com"            
$efisys   = "C:\Slipstream\WindowsISO\efi\microsoft\boot\efisys.bin"             
$new = "C:\Slipstream\FinishedISO\Windows2016-UCSdrivers.iso"            
$FinishedISOLocation = "C:\Slipstream\FinishedISO\"            
$LogDir = "C:\temp\log.txt"            
            
## Create working dir            
MD C:\Slipstream            
MD C:\Slipstream\Drivers            
MD C:\Slipstream\FinishedISO            
MD C:\Slipstream\Mount            
MD C:\Slipstream\WindowsISO            
            
## Copy Windows ISO to WindowsISO directory            
$mountResult = Mount-DiskImage $IsoLocation -StorageType ISO -PassThru            
$driveLetter = ($mountResult | Get-Volume).DriveLetter            
$driveletter            
$sourceWinISO = $driveletter +":\*"            
Copy-Item -Path $sourceWinISO -Destination $ExportedISOLocation -Recurse -Verbose            
            
## Copy Drivers to slipstream Drivers directory            
Copy-Item -Path $DriverLocation\* -Destination $ExportedDriverLocation -Recurse -Verbose            
            
## Create Bootorder.txt in slipstream directory            
Add-Content $Bootorder "`nboot\bcd`r`nboot\boot.sdi`r`nboot\bootfix.bin`r`nboot\bootsect.exe`r`nboot\etfsboot.com`r`nboot\memtest.exe`r`nboot\en-us\bootsect.exe.mui`r`nboot\fonts\chs_boot.ttf`r`nboot\fonts\cht_boot.ttf`r`nboot\fonts\jpn_boot.ttf`r`nboot\fonts\kor_boot.ttf`r`nboot\fonts\wgl4_boot.ttf`r`nefi\boot\bootx64.efi`r`nefi\microsoft\boot\bcd`r`nefi\microsoft\boot\cdboot.efi`r`nefi\microsoft\boot\cdboot_noprompt.efi`r`nefi\microsoft\boot\efisys.bin`r`nefi\microsoft\boot\efisys_noprompt.bin`r`nefi\microsoft\boot\memtest.efi`r`nefi\microsoft\boot\fonts\chs_boot.ttf`r`nefi\microsoft\boot\fonts\cht_boot.ttf`r`nefi\microsoft\boot\fonts\jpn_boot.ttf`r`nefi\microsoft\boot\fonts\kor_boot.ttf`r`nefi\microsoft\boot\fonts\wgl4_boot.ttf`r`nsources\boot.wim"            
            
## Reomving read-only attribute of Wim files            
Set-ItemProperty $SourcesDir\boot.wim -name IsReadOnly -value $false            
Set-ItemProperty $SourcesDir\install.wim -name IsReadOnly -value $false            
            
## Inject Drivers in Bootwin file            
            
Dism /Mount-Image /ImageFile:$SourcesDir\boot.wim /index:1 /MountDir:$SlipstreamDir\Mount            
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse             
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit             
            
Dism /Mount-Image /ImageFile:$SourcesDir\boot.wim /index:2 /MountDir:$SlipstreamDir\Mount             
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse            
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit            
            
## Inject Drivers in Install Wil file            
Dism /Mount-Image /ImageFile:$SourcesDir\install.wim /index:1 /MountDir:$SlipstreamDir\Mount            
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse            
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit            
            
Dism /Mount-Image /ImageFile:$SourcesDir\install.wim /index:2 /MountDir:$SlipstreamDir\Mount             
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse             
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit             
            
Dism /Mount-Image /ImageFile:$SourcesDir\install.wim /index:3 /MountDir:$SlipstreamDir\Mount            
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse             
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit             
            
Dism /Mount-Image /ImageFile:$SourcesDir\install.wim /index:4 /MountDir:$SlipstreamDir\Mount            
Dism /Image:$SlipstreamDir\Mount /Add-Driver /Driver:$SlipstreamDir\Drivers /Recurse             
Dism /Unmount-Wim /Mountdir:$SlipstreamDir\Mount /Commit            
            
# Create the updated iso.            
$data = '2#p0,e,b"{0}"#pEF,e,b"{1}"' -f $etfsboot, $efisys            
start-process $oscdimg -args @("-bootdata:$data",'-u2','-m','-o','-udfver102', $ExportedISOLocation, $new) -wait -nonewwindow            
            
## Cleaning up            
Dismount-DiskImage -ImagePath $IsoLocation            
RD $SlipstreamDir\Drivers -Recurse -Force            
RD $SlipstreamDir\WindowsISO -Recurse -Force            
RD $SlipstreamDir\Mount -Recurse -Force            
del $SlipstreamDir\BootOrder.txt            
            
## Open File explorer ISO Location            
ii -Path $FinishedISOLocation            
            
## Console output to log and open            
$psise.CurrentPowerShellTab.ConsolePane.Text | Set-Content -Path $LogDir            
ii -Path $LogDir            
            
Download Script Slipstream.ps1