Q: How can I convert a VHD to a VHDX?

Q: How can I convert a VHD to a VHDX?

A: There are two ways you can convert a regular virtual hard disk (VHD) to the new VHDX format found in Windows 8 and Windows Server 2012: by using Windows PowerShell or by using the Hyper-V Manager graphical interface.

Using PowerShell, enter this command:


as in my example:

Convert-VHD -Path d:\temp\source.vhd -DestinationPath d:\temp\destination.vhdx

Using Hyper-V Manager, start the Edit Disk action and select the source VHD file. Then, under the action, select Convert, then select the VHDX format. 

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