Home > Hyper-v, SCVMM > How to Resize the VHD harddisk in Hyper-v

How to Resize the VHD harddisk in Hyper-v

have you ever wanted to reduce the VHD size or resize it to a newer size, here is a step by step on how to resize the VHD disk size:

1- you need to shrink the VHD disk first:

a: If your Host is running Windows 2008 R2, then you can attach the VHD directly to the host and then use disk management to shrink the VM. Once done detach and run resizer. This attach VHD option is also available in Windows 7.
How to attach a VHD

b: If you don’t have a Vista/2008/Win7/2008 R2 VM and you host is Windows 2008 (not R2), you can install VHDmount tool available in Virtual Server 2005 R2 SP1 setup and use it to mount the VHD and then use the disk management tools to shrink the VHD.
Mount a VHD file with VHDMount

Once you did shrink to the VM, do resize using VHD sizer :


the above steps will allow you to resize the VHD and also reduce its size as well

Categories: Hyper-v, SCVMM Tags: , ,
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