On a Microsoft Windows Server 2003-based terminal server that has Terminal Server enabled, you occasionally experience the following symptoms:

•	Windows Task Manager indicates very high CPU and memory usage for the Svchost.exe process.
•	You cannot establish new Terminal Services connections to the Windows Server 2003-based terminal server.

Note When these symptoms are present, the existing Terminal Services connections to the Windows Server 2003-based terminal server continue to run without any problems.

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This problem occurs because an installed component on the Windows Server 2003-based terminal server generates many session lock notifications or many session unlock notifications.

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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: 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 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 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 Server 2003

   Date         Time   Version       Size       File name
   --------------------------------------------------------
   29-Sep-2004  18:03  5.2.3790.219  1,191,936  Msgina.dll       
   19-Sep-2004  11:41  5.2.3790.212     59,392  Ws03res.dll    

Windows Server 2003 64-bit editions

   Date         Time   Version       Size       File name     Platform
   -------------------------------------------------------------------
   29-Sep-2004  05:35  5.2.3790.219  1,418,752  Msgina.dll    IA-64
   18-Sep-2004  21:13  5.2.3790.212     58,880  Ws03res.dll   IA-64
   29-Sep-2004  05:33  5.2.3790.219  1,191,936  Wmsgina.dll   x86
   18-Sep-2004  23:11  5.2.3790.212     59,392  Wws03res.dll  x86

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

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For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

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