Invoke-OSDeployMDT

MDT LiteTouchPE exit script — runs automatically on every Update Deployment Share.

Property	Value
Module	OSDeploy
Platform	Windows (MDT deployment share host)
Requires	MDT installed, Install-OSDeployMDT previously run, Run as Administrator

Description

Called automatically by MDT as a LiteTouchPE exit script at each stage of the Update Deployment Share operation. The function reads the $Env:STAGE environment variable to determine which actions to take.

If $Env:STAGE is not set (for example, when the function is run manually), it displays help and returns without making changes.

STAGE = WIM (mounted WinPE image available):

• Collects EFI boot files and ADK oscdimg binaries to DEPLOYROOT\Boot\bootbins\

• Copies ADK OA3Tool to WinPE System32

• Applies DISM locale and time-zone settings

• Adds PackageManagement and PowerShellGet modules to WinPE

• Adds AzCopy, curl, and 7-Zip (7zr.exe) to WinPE System32

• Saves the OSDCloud PowerShell module into the WinPE image

• Injects WinPE drivers via an interactive picker

STAGE = POSTISO:

• Builds a patched ISO with bootmgfw_EX.efi for UEFI CA 2023 Secure Boot compatibility

MDT environment variables consumed: STAGE, CONTENT, ARCHITECTURE, INSTALLDIR, DEPLOYROOT.

Syntax

Invoke-OSDeployMDT [-SetInputLocale <String>] [-SetTimeZone <String>]

Parameters

Parameter	Type	Required	Description
-SetInputLocale	String	No	Sets the default input locale in WinPE. Default: en-us.
-SetTimeZone	String	No	Sets the WinPE time zone. Validated against tzutil /l. Default: the current system time zone.

Examples

# Run exit customization using current system locale and time zone
Invoke-OSDeployMDT

# Run with a specific time zone
Invoke-OSDeployMDT -SetTimeZone 'Romance Standard Time'