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Captures FFU directly from host-mounted VHDX

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By optimizing and mounting the VHDX directly on the host for image capture, the build process no longer needs to boot the VM into WinPE, create SMB network shares, generate temporary local accounts, or rely on complex Hyper-V switch IP configurations. This streamlines the workflow and eliminates multiple networking and permission-related points of failure.

This change also removes the need to generate and attach WinPE capture media. All related parameters (`ShareName`, `Username`, `VMHostIPAddress`, `CreateCaptureMedia`, `CleanupCaptureISO`), UI controls, capture scripts, and documentation references have been removed or updated to reflect the simplified architecture.
This commit is contained in:
rbalsleyMSFT
2026-03-26 22:31:08 -07:00
parent 6db0f8c905
commit c135ad0fba
19 changed files with 170 additions and 811 deletions
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FFUDevelopment/Create-PEMedia.ps1
+18 -57
View File
@@ -3,11 +3,8 @@ param (
[string]$adkPath = 'C:\Program Files (x86)\Windows Kits\10\',
[string]$WindowsArch = 'x64',
[bool]$CopyPEDrivers = $false,
[string]$CaptureISO = "$PSScriptRoot\WinPE_FFU_Capture_x64.iso",
[string]$DeployISO = "$PSScriptRoot\WinPE_FFU_Deploy_x64.iso",
[string]$LogFile = "$PSScriptRoot\Create-PEMedia.log",
[bool]$Capture,
[bool]$Deploy = $true
[string]$LogFile = "$PSScriptRoot\Create-PEMedia.log"
)
function WriteLog($LogText) {
@@ -77,12 +74,7 @@ function Invoke-Process {
}
function New-PEMedia {
param (
[Parameter()]
[bool]$Capture,
[Parameter()]
[bool]$Deploy
)
param ()
#Need to use the Demployment and Imaging tools environment to create winPE media
$DandIEnv = "$adkPath`Assessment and Deployment Kit\Deployment Tools\DandISetEnv.bat"
$WinPEFFUPath = "$FFUDevelopmentPath\WinPE"
@@ -135,36 +127,21 @@ function New-PEMedia {
Add-WindowsPackage -Path "$WinPEFFUPath\mount" -PackagePath $PackagePath | Out-Null
WriteLog "Adding package complete"
}
If ($Capture) {
WriteLog "Copying $FFUDevelopmentPath\WinPECaptureFFUFiles\* to WinPE capture media"
Copy-Item -Path "$FFUDevelopmentPath\WinPECaptureFFUFiles\*" -Destination "$WinPEFFUPath\mount" -Recurse -Force | out-null
WriteLog "Copy complete"
#Remove Bootfix.bin - for BIOS systems, shouldn't be needed, but doesn't hurt to remove for our purposes
#Remove-Item -Path "$WinPEFFUPath\media\boot\bootfix.bin" -Force | Out-null
# $WinPEISOName = 'WinPE_FFU_Capture.iso'
$WinPEISOFile = $CaptureISO
# $Capture = $false
}
If ($Deploy) {
WriteLog "Copying $FFUDevelopmentPath\WinPEDeployFFUFiles\* to WinPE deploy media"
Copy-Item -Path "$FFUDevelopmentPath\WinPEDeployFFUFiles\*" -Destination "$WinPEFFUPath\mount" -Recurse -Force | Out-Null
WriteLog 'Copy complete'
#If $CopyPEDrivers = $true, add drivers to WinPE media using dism
if ($CopyPEDrivers) {
WriteLog "Adding drivers to WinPE media"
try {
Add-WindowsDriver -Path "$WinPEFFUPath\Mount" -Driver "$FFUDevelopmentPath\PEDrivers" -Recurse -ErrorAction SilentlyContinue | Out-null
}
catch {
WriteLog 'Some drivers failed to be added to the FFU. This can be expected. Continuing.'
}
WriteLog "Adding drivers complete"
WriteLog "Copying $FFUDevelopmentPath\WinPEDeployFFUFiles\* to WinPE deploy media"
Copy-Item -Path "$FFUDevelopmentPath\WinPEDeployFFUFiles\*" -Destination "$WinPEFFUPath\mount" -Recurse -Force | Out-Null
WriteLog 'Copy complete'
#If $CopyPEDrivers = $true, add drivers to WinPE media using dism
if ($CopyPEDrivers) {
WriteLog "Adding drivers to WinPE media"
try {
Add-WindowsDriver -Path "$WinPEFFUPath\Mount" -Driver "$FFUDevelopmentPath\PEDrivers" -Recurse -ErrorAction SilentlyContinue | Out-null
}
# $WinPEISOName = 'WinPE_FFU_Deploy.iso'
$WinPEISOFile = $DeployISO
# $Deploy = $false
catch {
WriteLog 'Some drivers failed to be added to the FFU. This can be expected. Continuing.'
}
WriteLog "Adding drivers complete"
}
$WinPEISOFile = $DeployISO
WriteLog 'Dismounting WinPE media'
Dismount-WindowsImage -Path "$WinPEFFUPath\mount" -Save | Out-Null
WriteLog 'Dismount complete'
@@ -179,21 +156,10 @@ function New-PEMedia {
WriteLog "Creating WinPE ISO at $WinPEISOFile"
# & "$OSCDIMG" -m -o -u2 -udfver102 -bootdata:2`#p0,e,b$OSCDIMGPath\etfsboot.com`#pEF,e,b$OSCDIMGPath\Efisys_noprompt.bin $WinPEFFUPath\media $FFUDevelopmentPath\$WinPEISOName | Out-null
if($WindowsArch -eq 'x64'){
if($Capture){
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:2`#p0,e,b`"$OSCDIMGPath\etfsboot.com`"`#pEF,e,b`"$OSCDIMGPath\Efisys_noprompt.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
if($Deploy){
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:2`#p0,e,b`"$OSCDIMGPath\etfsboot.com`"`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:2`#p0,e,b`"$OSCDIMGPath\etfsboot.com`"`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
elseif($WindowsArch -eq 'arm64'){
if($Capture){
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:1`#pEF,e,b`"$OSCDIMGPath\Efisys_noprompt.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
if($Deploy){
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:1`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
$OSCDIMGArgs = "-m -o -u2 -udfver102 -bootdata:1`#pEF,e,b`"$OSCDIMGPath\Efisys.bin`" `"$WinPEFFUPath\media`" `"$WinPEISOFile`""
}
Invoke-Process $OSCDIMG $OSCDIMGArgs
WriteLog "ISO created successfully"
@@ -201,9 +167,4 @@ function New-PEMedia {
Remove-Item -Path "$WinPEFFUPath" -Recurse -Force
WriteLog 'Cleanup complete'
}
if($Capture){
New-PEMedia -Capture $Capture
}
if($Deploy){
New-PEMedia -Deploy $Deploy
}
New-PEMedia