Manually Using SYSPREP in Windows 2012 VMs and Templates

vLore Blog

Recently, on a professional services engagement, we encountered a situation, where the Customization Wizard was failing to successfully apply SYSPREP to Windows 2012 Servers.  Because our main objective and my time was focused on other areas, we could not take time to resolve the underlying the root cause, so we needed a work-around.   This led us to applying SYSPREP manually, which I had not done in a long time.  Here are the details that we applied toward using SYSPREP manually in a VM template

Our main concern is if we deploy two VMs from a template or VM that already has a SID, then an issue may occur if we try to add both new VMs to the domain.  The following error may occur when adding the second VM.

sysprep-1a

To fix this in the second VM, you can use these steps:

1 – Open RUN and enter sysprep

sysprep-2a

2…

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