With release of Windows 8 and Windows Server 2012 the new format of Hyper-V is introduced. It is named Hyper-V 3.
- You have prepared a virtual machine in Hyper-V 3 format;
- You want to run a deployment task to this machine and you are using the PXE boot method;
- During the boot of the virtual machine via PXE you encounter a very slow boot operation.
This is an issue in product.
To work around this issue, use boot ISO file attached to the virtual machine.