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Article ID: 904829 - Last Review: October 9, 2011 - Revision: 3.0

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SYMPTOMS

Consider the following scenario:
  • You have installed file security products on a Microsoft Windows XP Service Pack 2 (SP2)-based computer.
  • You are using drives that are formatted to use the NTFS file system.
  • You copy an NTFS encrypted file to a new location on the computer.
In this scenario, you receive the following message:
This folder already contains a file named 'filename'.

Would you like to replace the existing file

filesize
modified date and time

with this one?

filesize
modified date and time
You receive this message even though you copied the encrypted file to a folder that does not already contain the encrypted file.

CAUSE

This problem occurs because some file security products disable the NTFS encryption function by using a file system filter driver. The filter driver disables the NTFS encryption function by returning an error on data encryption requests. The Lsasrv.dll module does not correctly handle this error.

RESOLUTION

Hotfix information

A supported hotfix is 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 software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

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.
   Date         Time   Version           Size     File name
   --------------------------------------------------------------
   27-Jul-2005  02:33  5.1.2600.1721     666,624  Lsasrv.dll       
   27-Jul-2005  02:24  5.1.2600.2727     726,016  Lsasrv.dll       
   26-Jul-2005  23:49  5.1.2600.2727      30,720  Arpidfix.exe 
   25-Feb-2005  03:35  6.1.22.4          371,936  Updspapi.dll 

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbwinxpsp3fix kbwinxppresp3fix kbfix kbbug KB904829
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