WMI query for the name of a console user returns a null value

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SYMPTOMS

When you perform a Windows Management Instrumentation (WMI) query to obtain the name of a user who is logged on to the console session of a Terminal server, the user name is not returned. Instead, you receive a null value.

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CAUSE

This problem occurs if the user who is logged on to the Terminal server is not a member of the local Administrators group. If the user is a member of the local Administrators group, the user name is returned successfully.

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RESOLUTION

Hotfix information

A newer version of this hotfix is available. For additional information about the newer hotfix, click the following article number to view the article in the Microsoft Knowledge Base:

889405 (http://support.microsoft.com/kb/889405/ ) The process that runs a WMI statement stops responding on a Windows 2000 Service Pack 3 or later-based computer

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.

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, submit a request to 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

To install this hotfix, you must have Microsoft Windows 2000 Service Pack 3 (SP3) or later installed on your computer.

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.

   Date         Time   Version        Size       File name
   ----------------------------------------------------------
   23-Sep-2003  04:57  1.50.1085.113  1,089,637  Cimwin32.dll

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STATUS

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

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MORE INFORMATION

This hotfix only resolves this problem on Microsoft Windows 2000 Server-based computers that have Terminal Services installed and running. The resolution uses the WTSEnumerateSessions function. This resolution cannot resolve the problem described in the "Symptoms" section of this article on computers that are running Windows 2000 Professional or Windows 2000 Server where Terminal Services is not installed. For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 (http://support.microsoft.com/kb/816915/ ) New Naming Schema for Microsoft Windows Hotfix Packages

For additional information about the terminology that is used in this article, 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

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