IBM Support

404 errors with IIS 6

Troubleshooting


Problem

IIS 6 Windows 2003 Server default security lock down is very restrictive and prohibits all dynamic content pages. This affects all Cognos cgi executables, notably upfcgi.exe, ppdscgi.exe and login.exe. When you install IIS, the service is installed in a highly secure and locked mode. By default, IIS serves only static content, which means that features such as Active Server Pages (ASP), ASP.NET, Indexing Service, server-side includes (SSI), Web Distributed Authoring and Versioning (WebDAV), and FrontPage Server Extensions do not work unless you enable them. If you do not enable these features after installing IIS, IIS returns a 404 error. [

HTTP 404.2 File / Page not found
] Note the presence of suberror 2. This indicates that the lock down did not allow the exe, script or dll to run. Suberror 0 is the traditional "Page not found" error which can be a source of confusion. Depending on the browser the error could be truncated to just HTTP 404 - the IIS error log files however will show it as 404 2.

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Historical Number

1000598

Document Information

Modified date:
09 May 2025

UID

swg21349462