This is what you get for trusting a Microsoft Setup Tech called VHD-Boot. This technology is officially a supported Install Scenario from Microsoft. Those of you that follow this blog know I have raved and complained severally about this Tech. This is a single most frustrating support issue of Microsoft because you are allowed to Install OS with the tech, but you can never upgrade the OS to newest version since Windows 8.1. I still can’t place the reason for this. The picture you see here above is an attempt to upgrade a VHD-Boot of Win8.1U1 install to Windows10TP. Setup refused to upgrade it as you can see.

VHD-Boot like some of you already know is the convenience of VHD drive and the run speed of bare-metal install. You can safely call it a hybrid full-metal install and Virtual Machine install. The technology has a foot in each of…