Microsoft KB Archive/177660

= Access Violation Occurs in Sfmprint.exe on Busy Print Server =

Article ID: 177660

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 Q177660



SYMPTOMS
Print Services for Macintosh in Windows NT 4.0 may cause an access violation in Sfmprint.exe. Also, Sfmprint.exe may spin at 100 percent CPU usage just before the access violation.



CAUSE
A condition exists where an access violation results from the same print job being deleted twice on a busy print server. The print job is removed and then the same associated memory address is immediately used for another print job. The address is erroneously freed a second time for the first job. This caused an access violation when the address was referenced again.



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: CPU SFM access violation

Keywords: kbbug kbfix KB177660

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