Article ID: 258189 - View products that this article applies to.
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When an ISAPI application uses the HSE_TF_INFO data structure to issue a ServerSupportFunction(HSE_REQ_TRANSMIT_FILE), it is allowed to specify 0 as the value of the HSE_TF_INFO::BytesToWrite meaning, "send all file." If zero is specified, then the sc-bytes value in the Internet Information Services (IIS) log file is invalid, because it reflects only the headers and not the entire transfer size.
IIS does not log the total size of the file that is actually transferred, but uses the size argument transmitted to the TransmitFile API.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in Internet Information Services 5.0. This problem was first corrected in Windows 2000 Service Pack 1.
The symptoms may be different in IIS 4.0. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/248819/EN-US/ )IIS 4.0 Logs Incorrect Values for Bytes Sent Field in W3C Extended Log
Article ID: 258189 - Last Review: October 20, 2013 - Revision: 2.1
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