Microsoft KB Archive/892050

= A USB device that is connected to a USB 2.0 hub is not detected in Windows XP Service Pack 2, Windows Server 2003 Service Pack 1, or Windows Server 2003 x64 versions =

Article ID: 892050

Article Last Modified on 10/31/2007

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APPLIES TO

 Microsoft Windows XP Service Pack 2, when used with:  Microsoft Windows XP Professional

 Microsoft Windows XP Home Edition  Microsoft Windows Server 2003 SP1, when used with:  Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

 Microsoft Windows Server 2003, Enterprise Edition</li></ul>

 Microsoft Windows Server 2003, Standard Edition (32-bit x86)</li></ul>

 Microsoft Windows Server 2003, Web Edition</li></ul> </li> Microsoft Windows Server 2003, Enterprise x64 Edition</li> Microsoft Windows Server 2003, Standard x64 Edition</li></ul>

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<div class="notice_section">

<div class="symptoms_section">

SYMPTOMS
If you connect a new universal serial bus (USB) device to a USB 2.0 hub on a computer, the computer does not detect the USB device. This symptom occurs if the computer is running one of the following operating systems:
 * Microsoft Windows XP Service Pack 2 (SP2)
 * Microsoft Windows Server 2003 Service Pack (SP1)
 * Microsoft Windows Server 2003 x64 versions

Additionally, other USB devices that are already connected to the computer stop functioning, and you have to restart the computer to detect the USB devices.

<div class="cause_section">

CAUSE
This problem occurs because the Microsoft USB 2.0 driver causes an Enhanced Host Controller Interface (EHCI) specification violation.

<div class="resolution_section">

Hotfix information for Windows XP
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
This hotfix requires that Windows XP SP2 is installed on the computer.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English 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 tool in Control Panel. <pre class="fixed_text">  Date         Time   Version           Size     File name --  31-Mar-2005  01:13  5.1.2600.2644      27,008  Usbehci.sys 25-Feb-2005 03:53  6.1.22.4          371,936  Updspapi.dll

Service pack information for Windows Server 2003
To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

Prerequisites
This hotfix requires that Windows Server 2003 SP1 is installed on the computer.

Note For Windows Server 2003 x64 versions, no prerequisites are required.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English 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 tool in Control Panel.

Windows Server 2003, Itanium-based versions
<pre class="fixed_text">  Date         Time   Version           Size     File name      Platform -  26-Apr-2005  17:11  5.2.3790.2429      89,856  Usbehci.sys 26-Apr-2005 17:11  6.1.22.4          639,712  Updspapi.dll   IA-64

Windows Server 2003, x64 versions
<pre class="fixed_text">  Date         Time   Version           Size     File name --  26-Apr-2005  17:11  5.2.3790.2429      44,160  Usbehci.sys 26-Apr-2005 17:11  6.1.22.4          462,560  Updspapi.dll

Windows Server 2003, 32-bit versions
<pre class="fixed_text">  Date         Time   Version           Size     File name --  26-Apr-2005  03:43  5.2.3790.2429      27,520  Usbehci.sys 05-Mar-2005 01:30  6.1.22.4          371,936  Updspapi.dll

<div class="status_section">

STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Windows Server 2003 Service Pack 2.

<div class="moreinformation_section">

MORE INFORMATION
For more information about the standard terminology that is used to describe Microsoft software updates, 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

Keywords: kbresolve kbwinserv2003sp2fix kbqfe kbhotfixserver kbpubtypekc kbwinxpsp3fix kbwinxppresp3fix kbfix kbbug KB892050

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