I am trying to install Exchange 2007 on a 64-bit (x64) Windows 2003 R2 server, installinginto an existing test Domain that contains an Exchange 2003 Server. When I opened the setup file, the first item listed was to install the .NET framework. I downloaded and installed the 64-bit.NET 2.0, and that item became greyed out on the Exchange 2007 Install checklist. I then went into the installation wizard by clicking "Step 4: Install Microsoft Exchange". When this wizard opened, I selected the location and selected the existing Exchange 2003 server for this new server to connect to.The wizardthen performed Readiness Checks. It found that there was a new best practices configuration file available, but it was unable to download it and used the its existing configuration file. When it then checked for prerequisites, it gave me an error that ASP.NET was not installed on this server. However, I had just installed the .NET 2.0 Frameworkwhich contains ASP.NET. There was a link to a Recommended Action, but that link was invalid. All I received from that was a Microsoft web page telling me that there is no Microsoft.com web page that matches my entry. Does anyone know why the installation wizard is telling me I need ASP.NET when I just installed it? Thank you very much for your help.

Are you sure that ASP.Net is installed? If you go into Add/Remove Programs, Windows Components, and look under Applications, is ASP.Net checked in there? I'm not familiar with what .NET 2.0 includes in terms of ASP.Net, but is it possible it doesn't contain all the components?

Thank you for your reply. ASP.NET is installed. I contacted Microsoft about this problem. They found that it was a known issue, and they incorporated the correction for this issue into an updated Best Practices configuration file. This is downloaded automatically when installing Exchange 2007. When I tried installing Exchange 2007 again, it no longer exhibited this particular problem.