Sysprep was not able to validate your Windows installation

Sysprep was not able to validate your Windows installation
Tweet On a machine running Windows 8, 8.1, 10 or even Windows Server 2012, 2012R2 or 2016 you can get a strange error when sysprepping the machine. Sysprep was not able to validate your Windows installation. (Error 0x8007139f) Normally this is true because you can’t sysprep an upgraded machine. But I had this in a ...