Microsoft KB Archive/839264

= Perfmon records 0% usage for the PhysicalDisk object when there is 100% disk usage on a Windows 2000-based computer =

Article ID: 839264

Article Last Modified on 10/26/2006

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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 Performance Monitor (Perfmon.msc) to monitor the PhysicalDisk object, and the logical drives of the computer are near 100% usage, no data may be collected for a short time. After this time, data collection resumes. An Event ID 1015 event message that is similar to the following event message is logged in the application event log for the same time that Perfmon.msc did not collect any data: Event Type: Warning

Event Source: Perflib

Event Category: None

Event ID: 1015

Date: Date

Time: Time

User: N/A

Computer: Computer_Name

Description:

The timeout waiting for the performance data collection function &quot;PerfDisk&quot; in the &quot;C:\WINNT\system32\perfdisk.dll&quot; Library to finish has expired. There may be a problem with this extensible counter or the service it is collecting data from or the system may have been very busy when this call was attempted.



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
No prerequisites are required.

Restart requirement
You do not have to 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) 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 ---  19-Apr-2004  16:04  5.0.2195.6920  25,360  Perfdisk.dll



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



MORE INFORMATION
For additional information, 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

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional query words: win2000 win2k

Keywords: kbqfe kbhotfixserver kbbug kbfix kbwin2000presp5fix KB839264

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