Perfmon Counter DISK QUEUE LENGTH Gives Incorrect Report

 Last reviewed: March 15, 1996
Article ID: Q142371
The information in this article applies to:
  • Microsoft Windows NT Workstation version 3.51
  • Microsoft Windows NT Server version 3.51

SYMPTOMS

When using the Performance Monitor and selecting to monitor the object \LogicalDisk\Disk Queue Length\<all drives>, you may receive an incorrect value of 4294967296, or 2^32, instead of the correct queue length. This usually will occur with large drives on very active servers.

RESOLUTION

This problem has been corrected in the latest Service Pack for Windows NT version 3.51.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 

   S E R V P A C K

Additional reference words: prodnt 3.50 3.51
KBCategory: kbnetwork kbbug kbfix3.51.sp4
KBSubCategory: ntutil

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Last reviewed: March 15, 1996
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