Diagnosing problem with running ASP.NET app as 64-bit

Posted by user54064 on Stack Overflow See other posts from Stack Overflow or by user54064
Published on 2010-05-01T21:09:57Z Indexed on 2010/05/01 21:17 UTC
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ASP.NET

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64bit

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x64

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.NET

I need to run an ASP.NET app as 64-bit. The app is quite large and has MANY assemblies to load. When I run it I am getting "is not a valid Win32 application" error in the web page as soon as I go to the first page. That page is a very simple "Hello World" page. However, it must be having problem with loading assemblies as 64-bit. How can I figure out which one(s) are the problem?

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