Hi,

Thanks for posting in Microsoft MECM Q&A forum.

You can try to use ServiceUI to launch a batch file to set the asset tag like below.
%ToolRoot%\ServiceUI.exe %windir%\system32\cmd.exe /c %SCRIPTROOT%\Lenovo_settag.bat

For more detalied information, please refer to this similar thread: Interactive script in MDT

Hope it helps. Thanks for your time.

Best regards,
Simon

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Thanks for your reply that did not work for me & errored out, The WINAIA64.exe Lenovo utility is in the Scripts directory of Deployment Share. I do not need to use ServiceUI as I have the custom pane for entering asset tag right and would prefer to leverage that instead. I need to pass the asset tag number when entered to the variable TSAssetTag. Then TSAssetTag to write to BIOS using .\WinAIA64.exe -silent -set "USERASSETDATA.ASSET_NUMBER=$TSAssetTag"
Not sure what i am doing wrong still not getting the variable entered to set in asset tag....

This is resolved.
Net new machines created a MDT UDI Wizard TS as mentioned followed by Run Command Line .\WinAIA64.exe -silent -set "USERASSETDATA.ASSET_NUMBER=%TSAssetTag%" (looking at package during Run Command Line 'WinAIA64')
Existing machines a bit more tricker , great help from https://smsagent.blog/2014/01/30/prompting-for-input-during-a-task-sequence/ , tweaked as below and added into a new TS.
Run Command Line - ServiceUI.exe -process:TSProgressUI.exe %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -File PROMPTFORASSETTAGv6.ps1
<#
PromptForAssetTag v6

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This script prompts for input during a task sequence, and sets the input as a TS variable.

>

Close the TS UI temporarily

$TSProgressUI = New-Object -COMObject Microsoft.SMS.TSProgressUI
$TSProgressUI.CloseProgressDialog()

Prompt for input

[System.Reflection.Assembly]::LoadWithPartialName('Microsoft.VisualBasic') | Out-Null

$TSAssetTag = [Microsoft.VisualBasic.Interaction]::InputBox("Enter Asset tag on the reverse of the machine", "AssetTag prompt", "eg 1234")

Set the TS variable

$tsenv = New-Object -COMObject Microsoft.SMS.TSEnvironment
$tsenv.Value("TSAssetTag") = $TSAssetTag

New-Item -ItemType Directory -force -path c:\logs\AssetTag
New-Item -ItemType Directory -force -path c:\Installers\AssetTag
$date = (get-date)

copy-item \***-sccm01\Sources\Applications\Lenovo\WinAIA64\WinAIA64.exe c:\Installers\AssetTag\WinAIA64.exe
c:\Installers\AssetTag\WinAIA64.exe -silent -set "USERASSETDATA.ASSET_NUMBER=$TSAssetTag"
write-output $date | out-file -encoding ascii -append -filepath 'c:\logs\AssetTag\assettag.txt'
write-output 'assettag written to BIOS' | out-file -encoding ascii -append -filepath 'c:\logs\AssetTag\assettag.txt'

Hi, Sir

Thanks for your share.

Could you share all of the task about how to get TSAssetTag from UDI which user insert? when i follow the step of your shared. i got the value of Lenovo BIOS Asset Tag was "%TSAssetTag%" not the really value which user insert from UDI windows.

Thanks a lot.

Best Regards,