Microsoft KB Archive/171180

= Non-Paged Pool Memory Leak in IRP Pool Tag =

Article ID: 171180

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q171180



SYMPTOMS
Running a service or an application that makes repeated SCSI ioctl calls may cause the computer running Windows NT Server to stop responding (hang).



CAUSE
The computer running Windows NT Server is running out of non-paged pool memory. This happens because an I/O request packet (IRP) is being allocated and is never released.



RESOLUTION
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 How to Obtain the Latest Windows NT 4.0 Service Pack



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.

Keywords: kbhotfixserver kbqfe kbbug kbfix KB171180

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