Microsoft KB Archive/893231

= You receive a &quot;Drive is not accessible&quot; error message if you try to open a mapped DFS folder in offline mode =

Article ID: 893231

Article Last Modified on 8/29/2007

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APPLIES TO

 Microsoft Windows XP Service Pack 2, when used with:  Microsoft Windows XP Home Edition

 Microsoft Windows XP Professional  Microsoft Windows XP Service Pack 1, when used with:  Microsoft Windows XP Home Edition

 Microsoft Windows XP Professional</li></ul> </li></ul>

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<div class="notice_section">

<div class="symptoms_section">

SYMPTOMS
If you try to open a mapped Distributed File System (DFS) folder, you receive an error message that is similar to the following error message:



Configuration information could not be read from the domain controller, either because the entire machine is unavailable, or access has been denied.

This symptom occurs if the following conditions are true:
 * The DFS folder is available for offline use.
 * You are logged on in offline mode.
 * You used cached credentials to log on.

<div class="resolution_section">

RESOLUTION
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
To apply this hotfix, you must have Microsoft Windows XP Service Pack 1 installed.

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 XP with Service Pack 2 (SP2)
<pre class="fixed_text">  Date         Time   Version      File name --  12-Apr-2005  5:41   5.1.2600.2653  Mup.sys

Windows XP with Service Pack 1 (SP1)
<pre class="fixed_text">  Date         Time   Version        Size   File name ---  10-Nov-2005  00:58  5.1.2600.1772  105,216  Mup.sys

<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.

<div class="moreinformation_section">

MORE INFORMATION
For more information about a related topic, click the following article number to view the article in the Microsoft Knowledge Base:

840749 You cannot open a mapped offline-files drive during CSC synchronization in Windows XP

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: kbqfe kbhotfixserver kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug kbpubtypekc KB893231

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