LogicalDisk Partition Missing in Performance Monitor

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This article was previously published under Q191767

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SYMPTOMS

Performance Monitor does not display the LogicalDisk data for the fourth disk partition when a physical disk has four primary partitions.

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CAUSE

Diskperf.sys fails to acknowledge the fourth disk partition.

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To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 (http://support.microsoft.com/kb/152734/EN-US/ ) How to Obtain the Latest Windows NT 4.0 Service Pack

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STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

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