Microsoft KB Archive/832143

= A Stop error in Mrxdav.sys occurs, or your computer restarts, when you try to open a file on a network share on a Microsoft Windows XP Professional-based computer =

Article ID: 832143

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional

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SYMPTOMS
When you try to open a file on a shared network subfolder on a Microsoft Windows XP Professional-based computer by using Web Distributed Authoring and Versioning (WebDAV), you may receive a Stop error in Mrxdav.sys on a blue screen, or your computer may immediately restart.



CAUSE
This problem may occur if the total length of the path exceeds the MAX_PATH limit. This limit is defined as 260 characters.



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

Prerequisites
No prerequisites are required.

Restart requirement
You do not have to 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                        Architecture ---  25-Nov-2003  17:33  5.4.1.0  690,272  Windowsxp-kb832143-ia64-enu.exe  64-bit 25-Nov-2003 17:31  5.4.1.0  368,736  Windowsxp-kb832143-x86-enu.exe   32-bit



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

Additional query words: MRxDAVPrecompleteUserModeQueryDirectoryRequest bluescreen STOP

Keywords: kbhotfixserver kbqfe kbclientserver kbclient kberrmsg kbnetwork kbdrwatson kbusage kbinterop kbqfe kbfix kbbug KB832143

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