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I've just got a Windows Server 2008 which will work as a web server. It has two roles in the Server Manager, one is Application Server (which includes Web Server (IIS) in its Role Services) and the other role is Web Server (IIS). Do I need the Application Server role? Can I remove it?

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up vote 3 down vote accepted

The Web Server (IIS) Support in the Application Server role services is there to provide integration with IIS to allow you to host applications using technologies such as WCF.

If your application is just a plain ASP.NET/ASP/CGI/etc app and you're not utilising COM+, HTTP activation, Distributed Transactions then you can go ahead and safely remove this role.

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I appreciate your answer, but it's still a bit fuzzy for me. What will happen if I deploy an application that utilises these technologies and the role is not installed? Will my application simply not work? Isn't this included in the framework? – Vincent Vancalbergh Mar 1 '13 at 8:52

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