Microsoft KB Archive/200848

= Stop 0xC000021a on Windows NT Server 4.0 with Service Pack 4 =

Article ID: 200848

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition
 * Microsoft BackOffice Small Business Server 4.0a

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This article was previously published under Q200848



SYMPTOMS
A Windows NT Server with Service Pack 4 experiences a STOP 0xC000021a error when you run the Windows NT Resource Kit utility, pviewer.exe, or any performance utility that attempts to gather "costly counters" against it. Costly counters are a set of four data items that can be retrieved; for example, thread details, process image names that take extra processing to get the data for.



CAUSE
The Winlogon process causes an access violation with a C0000005 error, which in turn causes the trap.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:


 * http://www.microsoft.com/windows/servicepacks/ -or-


 * 152734 how to obtain the latest windows nt 4.0 service pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 Service Pack 4. This problem was first corrected in Windows NT version 4.0 Service Pack 5.

Additional query words: agressive

Keywords: kbhotfixserver kbqfe kbbug kbfix KB200848

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