How can I increase disk space in VM on ESXi 5

Hi,
I have ESXi 5 and Windows 2008 server on it.  the disk is thick portioned.

Is there any way I can double the size of disk C.

When I click on edit setting, the hard disk size is grayed out.
K2516Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
The settings will be grayed out if:-

1. the disk is IDE

2. the disk has a snapshot attached ?

see my EE Article

HOW TO:  Resize a VMware (VMDK) Virtual Disk
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VishalnarseSystem Wintel Administrator L2Commented:
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K2516Author Commented:
Hi Andrew Hancock,

Yes it is attached with snapshot. How to remove snapshot?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Select Snapshot Manager, and select DELETE ALL

(and Be Patient and wait, check you have enough datastore space, and also check the size of the snapshot, to give you an idea, of how long the delete will take!)

Have a read of my EE Article

HOW TO: VMware Snapshots :- Be Patient
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