A: It's easy to convert a VHDX (the new format of VHD) to a VHD file in Windows Server 2012 (formerly code-named Windows Server 8). Use the Edit Disk action within Hyper-V Manager. (See also,"Q: How can I convert a VHD to a VHDX?").

Select the VHDX file, then select the Convert option. In the Convert options screen, select VHD as the type, then continue with the rest of the conversion wizard and a VHD will be created (see screen shot below).
Figure 1

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