Microsoft KB Archive/838989

= A USB device may not be redetected after a power cycle in Windows XP or in Windows 2000 =

Article ID: 838989

Article Last Modified on 6/2/2006

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APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
Symptoms Section When you connect a Pocket PC handheld device to a USB 2.0 hub, or when you turn off the device and then turn it back on again while the device is still connected to the USB 2.0 hub, Microsoft Windows may not redetect the device. This problem may also occur with other USB devices that have pending transfers if the device is disconnected and then reconnected; or if the device is turned off and then turned back on while it is still connected to the USB 2.0 hub.



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

322389 How to obtain the latest Windows XP service pack

Windows XP update information
The following file is available for download from the Microsoft Download Center:

Download the package now.

Release Date: August 18, 2004

For additional 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 to prevent any unauthorized changes to the file. The English version of this hotfix has the file attributes (or later) 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.   Date         Time   Version            Size    File name --  10-Jan-2004  13:25  5.1.2600.1331       5,632  Hccoin.dll 10-Jan-2004 13:26  5.1.2600.1331      30,464  Usbccgp.sys 02-Mar-2004 02:40  5.1.2600.1359      25,216  Usbehci.sys 10-Jan-2004 13:26  5.1.2600.1331      53,120  Usbhub.sys 10-Jan-2004 13:26  5.1.2600.1331      16,000  Usbohci.sys 16-Mar-2004 17:10  5.1.2600.1364     138,880  Usbport.sys 10-Jan-2004 13:26  5.1.2600.1331      19,328  Usbuhci.sys This problem was first corrected in Microsoft Windows XP Service Pack 2.



Microsoft Windows 2000 update information
The following file is available for download from the Microsoft Download Center:

Download the package now.

Release Date: August 18, 2004

For additional 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 to prevent any unauthorized changes to the file.

Prerequisites
No prerequisites are required.

Restart requirement
You must restart your 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) 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.   Date         Time   Version            Size    File name ---  12-Dec-2003  18:19  5.0.2195.6882      24,752  Hidclass.sys 12-Dec-2003 17:37  5.0.2195.6882      24,976  Openhci.sys 12-Dec-2003 17:37  5.0.2195.6882      32,944  Uhcd.sys 19-Mar-2004 02:34                     32,543  Usb.inf 12-Dec-2003 17:37  5.0.2195.6882      20,752  Usbd.sys 12-Dec-2003 17:37  5.0.2195.6882      19,792  Usbehci.sys 17-Jan-2004 02:06  5.0.2195.6891      50,032  Usbhub20.sys 23-Mar-2004 00:45  5.0.2195.6885     138,928  Usbport.sys



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

