Microsoft KB Archive/174234

= Computer Hangs with Intensive 16-bit Code Running in a VDM =

Article ID: 174234

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 Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q174234



SYMPTOMS
Users with multiprocessor computers may see their computer lock up completely when 16-bit operations are causing a heavy load on the system. The intensive 16-bit code running in a Virtual Dos Machine (VDM) causes all the processors to be in a waiting state trying to get or release a spinlock.



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.

Additional query words: multi-processor multi processor multiple processor SBS edit.com slow ntvdm

Keywords: kbhotfixserver kbqfe kbbug kbfix KB174234

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