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You cannot access a hard-disk partition by using the Disk Management snap-in on a Windows-based computer

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

SYMPTOMS
Consider the following scenario. You use the Disk Management snap-in on a computer that is running Microsoft Windows Server 2003, Microsoft Windows XP, or Microsoft Windows 2000 Server. When you do this, the Disk Management snap-in may report that 100 percent of the hard-disk partition that is provided by the original equipment manufacturer (OEM) is available. However, you cannot use the Disk Management snap-in to access the hard-disk partition.
CAUSE
This behavior occurs because the Logical Disk Manager (LDM) service does not mount the file system or assign a drive letter to the hard-disk partition. Therefore, the LDM service does not know the size of the hard-disk partition. Additionally, it cannot access the hard-disk partition. Therefore, the Disk Management snap-in reports that both the size of the hard-disk partition and the amount of available space on the hard-disk partition are the same.
STATUS
This behavior is by design.
Properties

Article ID: 895979 - Last Review: 09/11/2011 07:15:00 - Revision: 2.0

  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • kbtshoot kbprb KB895979
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