<rewrite> Not A Valid Child Of <system.web>?

Oct 5, 2010

Hopefully I am just overlooking something incredibly simple, if so I apologize....I have an ASP.NET application in .NET4 and we're trying to use URL rewriting using

<configuration>
<system.webServer>
<rewrite>
<rules>
<rule....>

For some reason intellisense is returning an error which says that <rewrite> is not a valid child element of <system.webserver>When I build it and run it, it says something akin to "Error at line 0 in web.config"If I remove all the <rewrite> lines it works properly (but of course no rewriting)Is there a switch I need to flip on or something? It has to be something I'm stupidly overlooking....

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