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Cannot create a sysprep image of Windows 10 21H1

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Article ID: 229423

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Updated On:

Products

Ghost Solution Suite

Issue/Introduction

Cannot sysprep Windows 10 21H1 enterprise edition. Error displayed is:

Dialog error:  Sysprep was not able to validate your Windows Installations. Review the log file at %WINDIR%\System32\Sysprep\Panther\setupact.log for details. After resolve the issue. use Sysprep to validate your installation again.

 

Cause

Windows client machine did not have a valid Microsoft License applied

Environment

Release: 3.3

Resolution

In this case the client machine needed the MAK keys to register the machine. the next attempt sysprep ran as expected.

License verification can be called with command slmgr /dlv