The tool diskpart.exe is a powerful tool for managing partitions on hard drives that can be used in Microsoft's Windows operating systems. It is possible to create volumes, and also perform the formatting and conversion. The disk management can be under operating systems such as Windows 7 or Windows Server 2008 R2 easily done with Disk Management. But there are several cases in which the graphical management tool not help further. For example, let hard disks with partitions, the operating systems were created by other, often not clear under Windows. Such a drive has a 200 MB installed MacOS with large protected EFI partition, which can not remove the Disk Manager of Windows.
In addition, there is the Windows Server 2008/R2 but also the core server that requires no graphical interface. And at least there are tools like diskpart.exe imperative to administration functions from the command line instead of the graphical interface to perform the. The Windows built-in tool also allows the deletion of other partitions, for which Disk Management fails.