Microsoft KB Archive/929705

= You cannot access a locked Sony USB hard disk drive in Windows Vista =

Article ID: 929705

Article Last Modified on 3/15/2007

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APPLIES TO


 * Windows Vista Enterprise 64-bit edition
 * Windows Vista Home Basic 64-bit edition
 * Windows Vista Home Premium 64-bit edition
 * Windows Vista Ultimate 64-bit edition
 * Windows Vista Business
 * Windows Vista Business 64-bit edition
 * Windows Vista Enterprise
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Starter
 * Windows Vista Ultimate

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SYMPTOMS
Windows Vista does not recognize a locked Sony USB hard disk drive. Therfore, you cannot access the drive.



CAUSE
This problem occurs because the USB device sends an incorrect status code to Windows Vista. Also, the device sends no additional sense code information before the device is unlocked. Therefore, Windows Vista does not recognize the device.



RESOLUTION
To resolve this problem, contact Sony to obtain an approved Windows Vista firmware upgrade.

For information about how to contact Sony, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and software vendor contact information, A-K

60781 Hardware and software vendor contact information, L-P

60782 Hardware and software vendor contact information, Q-Z

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.



WORKAROUND
To work around this problem, unlock the Sony USB hard disk drive before you try to access it.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Keywords: kbdriver kbtshoot kbexpertisebeginner kbprb KB929705

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