Shirnking ESX Harddisks

I have a Windows Standard and Datacentre server, both 2008R2 sitting on a ESX 5.5 host.
WE have allocated drives for our SQl DB over 600GB but as a result of restructure we've
found these to be too large. Is there any way I can regain that space on the ESX storage?

I can shirk the drive on the windows server but if I reduce the drive size on ESX will I get the space back?
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Yes you can use the VMWare convertor to reduce the size on VMWare.  Refer
Muhammad MullaSystems AdministratorCommented:
This article by Andrew Hancock is a good guide on quickly shrinking a VMDK:
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
There is no easy method to reduce the size of a hard drive in VMware vSphere.

But there are two methods,

1. the first method is to use VMware Converter, and create a new V2V, I have covered this here in my EE Article step by step tutorial with instructions.

HOW TO: Shrink or Reduce a VMware Virtual Machine Disk (VMDK) using VMware vCenter Converter Standalone v5.5.2

Since, this article was published VMware Converter 6.0 is available to download now.

downloads are in this EE Article

HOW TO:  P2V, V2V for FREE - VMware vCenter Converter Standalone 6.0

Second method, is to "hack and slash the VMDK file, this is more complicated"

HOW TO: Shrink a VMware Virtual Machine Disk (VMDK) in 15 minutes

and you need to know, what you are doing, and you will need to experiment first on a practice VM, if you have never done it.

Both methods require you to have additional space available on your storage.

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