Microsoft KB Archive/939211

= FIX: Windows Media Player cannot synchronize media to an MTP-capable device on a Windows-Vista based computer =

Article ID: 939211

Article Last Modified on 12/10/2007

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APPLIES TO


 * Windows Vista Ultimate
 * Windows Vista Home Premium
 * Windows Vista Home Basic
 * Windows Vista Enterprise
 * Windows Vista Business

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SYMPTOMS
On a Windows Vista-based computer, when you connect a Media Transfer Protocol-capable (MTP-capable) device, Windows Media Player cannot synchronize media to the device.



CAUSE
Based on the MTP specification, all class-specific requests are sent to targeting interface 0. This can be a problem for composite USB devices that send class-specific requests to the matching class interface. The hotfix that is described in the &quot;Resolution&quot; section assigns the correct interface number for MTP requests.



Hotfix information
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, obtain the hotfix from the Microsoft Download Center.

Download information
The following files are available for download from the Microsoft Download Center:

Windows Vista, 32-bit versions (all languages)
Download the Windows6.0-KB939211-v2-x86.msu package now.

Windows Vista, 64-bit versions (all languages)
Download the Windows6.0-KB939211-v2-x64.msu package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.



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

Keywords: kbfix KB939211

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