USB 2.1 device cannot be recognized when the BOS descriptor validation fails in Windows 8.1 and Windows Server 2012 R2

Symptoms

This issue occurs as you connect a USB 2.1 device to a USB 2.0 port or a USB 3.0 port on a computer that is running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. The Binary Device Object Store (BOS) descriptor validation for the USB device fails.

Resolution

To resolve this issue, install update rollup 2967917. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2967917 July 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about the BOS descriptor, go to the following Microsoft website:

General information about the BOS descriptorFor more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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