VS.NET 2003 and 2005 on the same box

I have quashed a  rumor that has been circulating around my
office about not being able to install Visual Studio .NET 2003 and 2005
on the same machine.  I had dinner with my friend Chris, this
evening, who not only had both versions of VS.NET on his laptop (without any problems), but
Chris also showed me how to set up multiple web applications in IIS using
both version 1.1 and version 2.0 of the the framework.

After installing version 2.0 of the framework, a new ASP.NET tab
appears for application directories in IIS Manager.  The figure
below shows how to change the ASP.NET version for a particular web

One thought on “VS.NET 2003 and 2005 on the same box

  1. Chris Hynes

    One thing to note here that I just ran into is that your .NET 2.0 and 1.1 apps MUST be in different app pools. Otherwise, you’ll get the dreaded "Server Application Unavailable" error on your 1.1 apps.

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