Boot from VHD is an awesome technology that makes it easy to multi-boot your machine. At our TechNet events this year we are using that technology to do some hands work at the events. But how do you remove this and clean things up?

There are a couple ways to do it.

1. MSConfig.exe
Boot into one of your Windows OS installations and start MSConfig.exe. From there, select the instance of Windows you want to remove and click Delete.

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To remove the VHD file you just need to delete the VHD from an OS that is not using it to boot.

2. Visual BCD Editor (free 3rd party tool) available here: http://www.boyans.net/

My good friend Chris Avis has a blog posting on how to use the Visual BCD Editor to manage your boot menu. Find that article here:
http://blogs.technet.com/b/chrisavis/archive/2012/03/20/it-campers-how-to-clean-up-your-boot-loader-entries-with-visualbcd.aspx