Microsoft KB Archive/326919

= You cannot access an NTFS file system on a Melco (Buffalo) USB 2.0 hard disk drive on a Windows 2000 SP3-based computer =

Article ID: 326919

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 3
 * Microsoft Windows 2000 Service Pack 3

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This article was previously published under Q326919



Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
When you try to access an NTFS file system on a Melco (Buffalo) USB 2.0 hard disk drive on a Microsoft Windows 2000 Service Pack 3 (SP3)-based computer, the following behavior occurs:
 * You cannot access the hard disk drive or the My Computer folder if you connect the hard disk drive after you start the computer.
 * The system stops responding if you connect the hard disk drive before you start the computer.

Note If the hard disk drive does not have an NTFS partition, this behavior does not occur.



WORKAROUND
Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To work around this behavior, disconnect the hard disk drive and then add the  DWORD value to the following registry key:

Note In this registry key,  is a placeholder for the name of the hard disk drive. Also,  is a placeholder for the serial number of the hard disk drive.

To add the  DWORD value, follow these steps:  Click Start, click Run, type regedit, and then click OK. Locate and then click the following registry subkey:

 

 If there is a Disk subkey, go to step 4.

To create a Disk subkey, follow these steps:  On the Edit menu, point to New, and then click Key. Type Disk, and then press ENTER. </li> Locate and then click the following registry subkey:

 

</li> On the Edit menu, point to New, and then click DWORD Value.</li> Type UserWriteCacheSetting, and then press ENTER.</li> Right-click UserWriteCacheSetting, and then click Modify.</li> In the Edit DWORD Value dialog box, click Decimal, and then type 0 (zero) to disable the disk write cache.</li> On the File menu, click Exit.</li></ol>

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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MORE INFORMATION
For more information about the Melco (Buffalo) USB 2.0 hard disk drive, visit the following Melco (Buffalo) Web site:

http://www.buffalotech.com

Additional query words: bluescreen hang

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Keywords: kbtshoot kbprb KB326919

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