Complete the wizard by selecting the settings you need.įigure 2.Select the VHDX file format and click Next (see Fig.Enter name, location of VHD file and click Next.

Enter the name and location of the existing VHD file (see Fig.

The Edit Virtual Hard Disk Wizard starts click Next to get past the initial screen.

Launch Hyper-V manager and from the right side Action pane and select Edit Disk.

Luckily, The Hyper-V team has taken that into consideration and provided a very simple way to convert existing VHDs into VHDX. Many of you already have a virtual infrastructure based on Microsoft Hyper-V and would need to upgrade all your existing VHDs in order to take advantage of all the new features and capabilities.

Improved alignment of the virtual hard disk on large sector disks.

Better performance of dynamic and difference files through new larger block sizes.

Support for virtual hard disks larger than 2TB and up to 64TB.

Windows Server 2012 and Windows 8 introduce a new virtual hard disk file format, VHDX, which is an upgrade from the current VHD format and provides for superior performance, reliability and several enhancements including:

How To Convert VHD to VHDX with Hyper-V 3

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