This article discusses the support boundaries that Microsoft Customer Support Services (CSS) provides for use of Microsoft Windows Preinstallation Environment (Windows PE) to extend the drive that contains the Microsoft Windows operating system. Windows PE can be used to extend both the system and boot partitions if they are separate. WinPE is included with the Automated Installation Kit (AIK), which is available from Microsoft.com. To obtain the
Automated Installation Kit for Windows Vista with Service Pack 1 (SP1) and Windows Server 2008 visit the following Web site:
To use Windows PE to extend the drive that contains the Windows operating system, the customer must meet the following requirements:
- The version of Windows PE must be Microsoft Windows PE 2005 or a later version. Windows PE 2005 is based on Windows Server 2003 Service Pack 1 (SP1).
- The hard disk partition that is being extended must be running Windows Server 2003 or a later version.
- The kind of disk that is being extended must be basic and not dynamic.
- The hard disk partition that is being extended must have free space directly next to the partition that is being extended.
- The file system on the hard disk partition that is being extended must be a NTFS file system.
To use Windows PE to extend the drive that contains the Windows operating system, follow these steps:
- Perform a full backup on the hard disk partition that is being extended.
Note If you back up the data on this hard disk partition, the data will not be lost in case there is a problem or corruption occurs.
- Make sure that unallocated space is available on the hard disk next to the hard disk partition that is being extended. You can use the software utility that is provided by the hardware vendor to physically create unallocated space on the hard disk.
- Restart the computer by using the Windows PE CD.
- Open a command prompt.
- At the command prompt, type Diskpart.exe, and then press ENTER.
- Type List volume, and then press ENTER to display the existing volumes.
- Type Select volume volume number. volume number is the number of the volume that you want to extend.
- Type Extend, and then press ENTER to extend the hard disk partition into the free space.
Note You can use the size=N option to specify how much space in megabytes (MB) to add to the current partition. If no size is specified, the disk is extended to use all the contiguous unallocated space. For example, type extend size=2000 to add 2,000 MB of free space to the current hard disk partition.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
How to use Diskpart.exe to extend a data volume in Windows Server 2003, in Windows XP, and in Windows 2000
- To exit the command prompt, type exit, and then press ENTER.
- Restart the computer, and then log on to Windows.
- Verify that the hard disk partition that contains the operating system is now extended to include the available free space.
Article ID: 911896 - Last Review: March 10, 2009 - Revision: 2.0
- Microsoft Windows Preinstall Environment (WinPE) 64-bit
- Microsoft Windows Preinstall Environment (WinPE) 32-bit
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