Your Serial Bus Protocol 2 Devices Are Not Connected After You Restart Your Computer (811048)


The information in this article applies to:

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional

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.

RESOLUTION

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 fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

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

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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/hwdev/tech/print/sbp2_w2000.asp

Modification Type:MinorLast Reviewed:10/10/2005
Keywords:kbHotfixServer kbQFE kbWinXPsp2fix kbQFE kbWinXPpreSP2fix kbfix kbBug KB811048
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