How to shrink disk size in Windows 2008 running on vSphere
Login to the Virtual Machine and shrink the OS Partition Before we can shrink the VMware virtual machine disk (VMDK), we need to shrink the OS partition. (to avoid file system corruption). In this example I am using Windows 2008 R2, which has a shrink function. Using an RDP (Remote Desktop Protocol) connection or connect via the Console, using the vSphere Client, login to the virtual machine as an Administrator. Press Control-Alt-Delete to login to the virtual machine. Right Click My Computer and Select Manage Select Disk Management, and select the partition you need to shrink. Right Click the Volume/Partition to shrink, and select Shrink. The above dialogue will briefly appear whilst the file system is queried. the above dialogue will appear. Enter a size to reduce the OS partition. In this example the VMware virtual machine disk (VMDK) is 40GB, and we would like to reduce the size of the VMware virtual machine disk (VMDK) to 20GB. The Disk Management utility scans