Using SysPrep with Windows 10 Technical Preview for Enterprise


SysPrep.exe is a tool located under c:\windows\system32\SysPrep folder. It can be used to “generalize” a Windows installation to be used for automated deployment instead of doing every fresh install from the ISO media.

After doing a fresh install of Windows 10 Technical Preview for Enterprise as a Gen 2 VM on Server 2012 R2 Hyper-V host, I ran Windows updates, enabled Remote Desktop, installed 2 Windows updates updates, rebooted, installed RSAT, then I ran SysPrep.exe

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I chose to “Generalize” and “Shutdown”, so that I can copy the VM’s VHDX file to be used for other Windows 10 Technical Preview machine deployments.

Sysprep will prepare the system and shutdown the computer.

After copying the VHDX file, I restarted the VM:

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Set Region and Language, accept license agreement, skip product key:

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Although the product key was skipped, later on after the machine was setup and rebooted, Windows auto-activated. No need to enter a product key or manually activate:

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Windows 10 Technical Preview and Windows 10 Technical Preview for Enterprise license expires April 15, 2015.

Enter a user name and password:

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Notes:

  • Do NOT join the domain prior to running Sysprep. It will fail with “Fatal error” similar to this: Win10e32
  • Currently Sysprep does not let you use a local account that was setup prior to running SysPrep. You will have to setup another local account when using the SysPrep’d image
  • Local Administrator account is disabled by default on Windows 10 Technical Preview

 

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