Prepare Windows for Capture

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Prepare Windows for Capture

This step will sysprep the machine so it’s ready for you to capture. Make sure you trigger this step while in the full os and make sure you didn’t join your reference machine to the domain.

MS Docs

https://docs.microsoft.com/en-us/mem/configmgr/osd/understand/task-sequence-steps#BKMK_PrepareWindowsforCapture

Related: SysPrep Docs

Variables

PowerShell

The Step

Prepare OS 01

Options are pretty limited for this step, I’ve never actually found a reason to use any of the options.

  • Automatically build mass storage driver list. This is based on the reference machine, and since I’d never user a physical machine for a reference machine there would not be any point in using this option.
  • Do not reset activation flag. I’ve always used KMS services. I never bothered to activate the reference computer in the first place so this would be useless to me
  • Shutdown the computer after running this action. I could see this potentially being useful if you were going to use another process to capture the image than the CM Task Sequence itself.

This Step doesn’t take too long and the guts of it is running sysprep. The step also triggers the machine to restart into WinPE so that it can then run the capture process.

Lets break down the log:
Prepare OS 02
Prepare OS 03
Prepare OS 04
Prepare OS 05

You can then follow along with what happened in the sysprep process in the in SysPrep log file:
c:windowssystem32syspreppanthersetupact.log
The entire sysprep process took under a minute.
Prepare OS 06

If you ever find you’d like more info, or run into issues with this step, let me know.

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