My ZTIStartLayoutConfig.wsf for applying a Windows 10 start layout and taskbar setup with MDT/SCCM.

Note: You must copy your desired LNK files over to the AllUsersProfiles before adding them to the start layout or taskbar.

GitHub link: https://github.com/brianfgonzalez/Scripts/blob/master/ZTIStartLayoutConfig.wsf

<job id="ZTIStartLayoutConfig">
   <script language="VBScript" src="../../Scripts/ZTIUtility.vbs"/>
   <script language="VBScript">
' // ***************************************************************************
' // 
' // Copyright (c) Microsoft Corporation.  All rights reserved.
' // 
' // Microsoft Deployment Toolkit Solution Accelerator
' //
' // File:      ZTIStartLayoutConfig.wsf
' // 
' // Version:   6.3.8443.1000
' // 
' // Purpose:   Use Dism to force apply start screen layout.
' // 
' // Usage:     cscript ZTIStartLayoutConfig.wsf [/debug:true] [/UDI]
' // 
' // ***************************************************************************
Option Explicit
RunNewInstance
'//----------------------------------------------------------------------------
'//  Main Class
'//----------------------------------------------------------------------------
Class ZTIStartLayoutConfig
  '//----------------------------------------------------------------------------
  '//  Main routine
  '//----------------------------------------------------------------------------
  Function Main
    '//----------------------------------------------------------------------------
    '//  Declare variables
    '//----------------------------------------------------------------------------
    Dim iRetVal
    iRetVal = Success
    '//----------------------------------------------------------------------------
    '//  Copying StartLayout.xml file
    '//----------------------------------------------------------------------------
    oLogging.CreateEntry "Copying StartLayout.xml to Windows\System32.", LogTypeInfo
    oFileHandling.CopyFile oUtility.ScriptDir & "\StartLayout.xml", oEnv("SystemDrive") & "\Windows\System32\StartLayout.xml", true
    '//----------------------------------------------------------------------------
    '//  Copy Desired lnk files to %ALLUSERSPROFILES%
    '//----------------------------------------------------------------------------
    oLogging.CreateEntry "Copy Desired lnk files to %ALLUSERSPROFILES%.", LogTypeInfo
    oFileHandling.CopyFile oUtility.ScriptDir & "\File Explorer.lnk", oEnv("AllUsersProfile") & "\Microsoft\Windows\Start Menu\Programs\System Tools\File Explorer.lnk", true
    oFileHandling.CopyFile oUtility.ScriptDir & "\Internet Explorer.lnk", oEnv("AllUsersProfile") & "\Microsoft\Windows\Start Menu\Programs\Accessories\Internet Explorer.lnk", true
    oFileHandling.CopyFile oUtility.ScriptDir & "\Google Chrome.lnk", oEnv("AllUsersProfile") & "\Microsoft\Windows\Start Menu\Programs\Google Chrome.lnk", true
    '//----------------------------------------------------------------------------
    '//  Apply start screen layout using Dism
    '//----------------------------------------------------------------------------
    oLogging.CreateEntry "Importing StartLayout.xml using Powershell's Import-StartLayout cmdlet.", LogTypeInfo
    iRetVal = oUtility.RunWithConsoleLogging("powershell.exe -ExecutionPolicy ByPass -Command ""Import-StartLayout -MountPath " & oEnv("SystemDrive") & "\ -LayoutPath " & oEnv("WinDir") & "\System32\StartLayout.xml""")
  End Function
End Class
    </script>
</job>

And here is an example StartLayout.xml:

GitHub Link: https://github.com/brianfgonzalez/Scripts/blob/master/StartLayout.xml

<LayoutModificationTemplate
    xmlns="http://schemas.microsoft.com/Start/2014/LayoutModification"
    xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout"
    xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout"
    xmlns:taskbar="http://schemas.microsoft.com/Start/2014/TaskbarLayout"
    Version="1">
	<LayoutOptions StartTileGroupCellWidth="6" />
	<DefaultLayoutOverride>
		<StartLayoutCollection>
			<defaultlayout:StartLayout GroupCellWidth="6" xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout">
				<start:Group Name="Panasonic Apps" xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout">
					<start:DesktopApplicationTile Size="2x2" Column="0" Row="0" DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Accessories\Internet Explorer.lnk" />
					<start:DesktopApplicationTile Size="2x2" Column="2" Row="0" DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Google Chrome.lnk" />
				</start:Group>
			</defaultlayout:StartLayout>
		</StartLayoutCollection>
	</DefaultLayoutOverride>
	<CustomTaskbarLayoutCollection PinListPlacement="Replace">
		<defaultlayout:TaskbarLayout>
			<taskbar:TaskbarPinList>
				<taskbar:DesktopApp DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\System Tools\File Explorer.lnk" />
				<taskbar:DesktopApp DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Accessories\Internet Explorer.lnk" />
				<taskbar:DesktopApp DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Google Chrome.lnk" />
			</taskbar:TaskbarPinList>
		</defaultlayout:TaskbarLayout>
	</CustomTaskbarLayoutCollection>
</LayoutModificationTemplate>

/BG