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Microsoft® IIS 6.0 Administrator's Pocket Consultant by William R. Stanek

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Detecting and Resolving IIS Errors

IIS records errors in two locations: the IIS access logs and the Windows event logs. In the access logs, you’ll find information related to missing resources, failed authentication, and internal server errors. In the event logs, you’ll find IIS errors, failed authentication, IIS application errors, and errors related to other applications running on the server.

Examining the Access Logs

Access logs are created when you enable logging for Web, File Transfer Protocol (FTP), Simple Mail Transfer Protocol (SMTP), and NNTP sites. Every time someone requests a file from a site, an entry goes into the access log, making the access log a running history of resource requests. Because each entry has a status code, you can ...

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