Access Violation Occurs Converting W3C Log Files

This article was previously published under Q191308
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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:For more information about IIS 7.0, visit the following Microsoft Web site:
An access violation may occur when you attempt to convert a W3C extendedlog file to any other log file format.
Convlog is reading less than the full log line for parsing, so theremaining part of the line is being treating as a separate log entry.
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 theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

Microsoft has confirmed this to be a problem in Internet InformationServer version 4.0. 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.
More information
The fix increases the read buffer to the same length as the maximumsize of a log line.
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Article ID: 191308 - Last Review: 10/26/2013 12:30:00 - Revision: 7.0

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