This article describes the following topics: How to use the Diskpart.exe command prompt utility to extend a data volume into unallocated space in Windows Server 2003, Windows XP, and Windows 2000. How to extend the boot partition in Windows Server 2008. Applies to: Windows 10 - all editions, Windows Server 2012 R2 Original KB number: 325590 Use Diskpart.exe to extend a data volume in Windows S