Step-By-Step: Enabling Hyper-V for use on Windows 8.1

June 26, 2015 Martin Reference Admin Hyper-V

Virtual Machines are great for running different operating systems or software configurations on a single machine and many other additional tasks. The launch of the Windows 8 offering was the first Windows client operating system to include hardware virtualization support without the need for separate installs or downloads. The Hyper-V client found in Windows 8 […]


8.1, Hyper-V, Microsoft, Pro, Windows,

Hyper-V Error: The application encountered an error while attempting to change the state…

February 1, 2012 Martin Reference Admin General

The application encountered an error while attempting to change the state of Microsoft Emulated IDE Controller Failed to power on with error ‘the process cannot access the file because it is being used by another process’ Failed to open attachment ‘D:’ Remove the virtual DVD drives from the VMs. Multiple VMs trying to access one […]


0 (E), Hyper-V, Virtual,

Hyper-V virtual machines may not start, and you receive an error: “‘General access denied error’ (0x80070005)”

August 10, 2011 Martin Reference Admin General

MS KB 2249906 http://support.microsoft.com/kb/2249906 To resolve this issue, add the Virtual Machine SID to the virtual hard disk (.vhd) file or to the snapshot file (.avhd). To add the Virtual Machine SID to a .vhd or .avhd file, follow these steps: Note the Virtual Machine ID that is listed in the “‘General access denied error’ […]


0 (E), Hyper-V, Virtual Machine,

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