title: Difference between .NET Extensibility and ASP.NET
body: <p>In the Windows Features control panel applet, under Internet Information Services → World Wide Web Services → Application Development Features, there are two options: &quot;.NET Extensibility&quot; and &quot;ASP.NET&quot;.</p>
  <p>What is the difference between these two options? If I'm developing simple ASP.NET web applications / services, is there any need for the .NET Extensibility option?</p>
  <p>I Google'd the terms, and came up with this link:</p>
  <p><a href="http://forums.iis.net/t/1146942.aspx" rel="nofollow noreferrer">http://forums.iis.net/t/1146942.aspx</a></p>
  <p>This link confuses me, because the response (from a supposed Microsoft employee) says that to test for .NET Extensibility, you create a simple ASPX page, and try to load it. That seems (to ME) more like a test for the ASP.NET option.</p>
  <p>Any clues?</p>