This article helps fix the error 0x80070005 that occurs when a Hyper-V virtual machine fails to start. Applies to: Windows Server 2012 R2 Original KB number: 2249906 Symptoms A Hyper-V virtual machine may fail to start, and you receive an error message that resembles the following: An error occurred while attempting to start the selected virtual machine(s). 'VMName' failed to start. Microsoft