Problem setting authentication modes on files under a virtual directory

From: Joel Zhou (joel.zhou@emersonprocess.com)
Date: 10/28/02 

From: "Joel Zhou" <joel.zhou@emersonprocess.com>
Date: Mon, 28 Oct 2002 11:36:39 -0800

Our web project needs to set all .aspx pages to use Basic
authentication, and all .asmx pages to use Windows
authentication (NTLM).

When I try to use DirectoryEntry in
System.DirectoryServices, I was not able to change the
authentication mode of a file at the root level of a
virtual directory. However, I was able to change the
authentication mode of a file that is under a web
directory in a virtual directory.

For example, doing the following will throw an
COMException : "System cannot find the path specified".
String iisPath
= "IIS://localhost/W3SVC/1/Root/Email/Service1.asmx");
DirectoryEntry webService = new DirectoryEntry( iisPath ) ;
webService.Properties["AuthNTLM"][0] = true;

If I create a web directory under Email virtual directory,
and open a web service file there, I was then able to set
the authentication.
String iisPath
= "IIS://localhost/W3SVC/1/Root/Email/NewDir/Service1.asmx"
);
DirectoryEntry webService = new DirectoryEntry( iisPath ) ;
webService.Properties["AuthNTLM"][0] = true;

Any suggestions?

Thanks,
Joel

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