Microsoft KB Archive/831576

= The PdhEnumObjects function with bRefresh=TRUE fails repeatedly =

Article ID: 831576

Article Last Modified on 1/4/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you use the PdhEnumObjects function with bRefresh=TRUE, the function fails repeatedly.



CAUSE
This problem may occur if the following conditions are all true:  You are using Microsoft Windows 2000 Service Pack 4 or Microsoft Windows 2000 Service Pack 3 with the fix described in the following Knowledge Base article:

330259 Intermittent program unresponsiveness occurs when you use performance monitoring

 The PdhEnumObjects function is used with bRefresh=TRUE. The PdhEnumObjects function is used continuously against the same destination computer. The PdhEnumObjects function is requesting new data with every call. The destination computer is disconnected and then reconnected.



Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone 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.

Prerequisites
Windows 2000 Service Pack 3 or Windows 2000 Service Pack 4

Restart Requirement
Required

Hotfix Replacement Information
This hotfix does not replace any other hotfixes.

File Information
The English version of this 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. <pre class="fixed_text">  Date         Time   Version            Size    File name --  12-Nov-2003  17:52  5.0.2195.6874     152,336  Pdh.dll 06-Nov-2003 22:29  5.0.2195.6870   5,847,552  Sp3res.dll

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.

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MORE INFORMATION
For more information about the PdhEnumObjects function, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn2.microsoft.com/en-us/library/aa372600.aspx

For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

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 kbbug kbfix kbqfe kbwin2000presp5fix KB831576

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