Microsoft KB Archive/823081

= You cannot prevent the use of the NetMessageBufferSend function in Windows Messenger =

Article ID: 823081

Article Last Modified on 10/26/2006

-

APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition

-



Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
You cannot configure the Windows Messenger service to prevent the use of the NetMessageBufferSend function on any computer except on the computer that is sending the message.



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

Part 1. Obtain and then install the hotfix
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. 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 usual 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 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   Platform 12-Nov-2003 19:55  5.1.2600.1320  326,656  Wkssvc.dll  IA-64

Part 2. Add the registry key and the registry value to the registry
Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Follow these steps, and then quit Registry Editor:  Click Start, click Run, type regedit, and then click OK. Locate and then click the following key in the registry:

 

 On the Edit menu, point to New, and then click DWORD Value. Type LimitMessageSend, and then press ENTER. On the Edit menu, click Modify. Type 0, and then click OK.</li></ol>

Note The LimitMessageSend value of 0 is the default setting. You may also enter 1 for no regular users, or enter 2 if you want only the administrator to be able to send messages.

<div class="workaround_section">

One workaround for this problem is to prevent the Messenger service from running. For additional information about how to prevent Windows Messenger from running, click the following article number to view the article in the Microsoft Knowledge Base:

302089 How to Prevent Windows Messenger from Running on a Windows XP-Based Computer

<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. This problem was first corrected in Microsoft Windows XP Service Pack 2.

<div class="moreinformation_section">

MORE INFORMATION
For additional information, 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: kbhotfixserver kbqfe kbqfe kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug KB823081

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.