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HOW TO: Manually Turn Disk Write Caching On or Off

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.

Summary
With some third-party programs, disk write caching has to be turned on or off. Additionally, turning disk write caching on may increase operating system performance; however, it may also result in the loss of information if a power failure, equipment failure, or software failure occurs. This article describes how to turn disk write caching on or off.

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Turn Disk Write Caching On or Off

  1. Right-click My Computer, and then click Properties.
  2. Click the Hardware tab, and then click Device Manager.
  3. Expand Disk Drives.
  4. Right-click the drive on which you want to turn disk write caching on or off, and then click Properties.
  5. Click the Policies tab.
  6. Click to select or clear the Enable write caching on the disk check box as appropriate.
  7. Click OK.

For Windows Server 2008

  1. Right-click Computer, and then click Properties.
  2. Click the Device Manager link under Tasks.
  3. Expand Disk Drives.
  4. Right-click the drive on which you want to turn disk write caching on or off, and then click Properties.
  5. Click the Policies tab.
  6. Click to select or clear the Enable write caching on the disk check box as appropriate.
  7. Click OK.
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Article ID: 324805 - Last Review: 06/19/2014 14:53:00 - Revision: 9.0

  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • kbfilesystems kbhowtomaster kbperformance w2000fs w2000perf KB324805
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