Meaning of "Web Application" in IIS

Giganews Newsgroups
Subject: Meaning of "Web Application" in IIS
Posted by:  Jordan S (..@B.com)
Date: Sat, 6 Dec 2008

In brief, what is different about a virtual directory that is also set as a
Web Application? I can have a virtual directory, and then optionally set it
to be a Web Application. Beyond updating the metabase, what does IIS do that
causes the virtual directory to "be" a Web application? And how is the
runtime behavior or capabilities different between a virtual directory that
is not also a Web application, and one that is a Web application?

Is there anything different (in terms of runtime behavior or capabilities)
between a Web Application defined on a Web Site root virtual directory, as
compared to a Web Application additionally defined on a virtual directory
beneath a Web Site root virtual directory (i.e., a "web application within a
web application")?

Thanks.

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