Microsoft KB Archive/811048

= Your Serial Bus Protocol 2 Devices Are Not Connected After You Restart Your Computer =

Article ID: 811048

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

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SYMPTOMS
When you restart your computer, some of your Serial Bus Protocol 2 (SBP-2) devices such as IEEE 1394 devices may not be connected. This symptom may occur if your computer is using several SBP-2 devices.



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

Hotfix information
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

The English version of this fix 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    Service pack 12-DEC-2002 17:13  5.1.2600.108   49,920  1394bus.sys  none 12-DEC-2002 16:56  5.1.2600.1150  50,616  1394bus.sys  1



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.



MORE INFORMATION
With Microsoft Windows 2000 and Windows XP, support for IEEE 1394 storage, CD-ROM, DVD, printers, and scanner devices is available through the SBP-2 port driver. For more in formation about SBP-2 support and Windows, visit the following Microsoft Web site:

http://www.microsoft.com/whdc/default.mspx

Keywords: kbhotfixserver kbqfe kbwinxpsp2fix kbqfe kbwinxppresp2fix kbfix kbbug KB811048

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