Microsoft KB Archive/248819

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IIS 4.0 Logs Incorrect Values for Bytes Sent Field in W3C Extended Log

Article ID: 248819

Article Last Modified on 9/23/2005


  • Microsoft Internet Information Server 4.0

This article was previously published under Q248819


When you use the W3C Extended Log Format, Microsoft Internet Information Server (IIS) 4.0 logs the number of bytes sent by the server to the client in the sc-bytes field. However, if an HTTP request is cancelled when you are downloading a file, the log file reflects the size of the file being transferred and not the number of bytes that are actually sent to the client.


Microsoft has confirmed that this is a problem in Internet Information Server 4.0. Microsoft is researching this problem and will post more information in this article when the information becomes available.


For additional information on the IIS 5.0 version of this fix, click the article number below to view the article in the Microsoft Knowledge Base:

258189 IIS Log Contains Wrong Data When ISAPI Uses Default for File Size

Keywords: kbbug kbqfe kbpending kbhotfixserver KB248819