A. Yes. Because the Server 2008 R2 core installation now includes .NET components, it's possible to install certain Exchange 2007 roles on a core installation.

The full process can be seen in a blog entry by clustering MVP Joachim Nässlander.

It is important to understand that just because it's possible to install Exchange 2007 on a Server 2008 R2 server core doesn't mean Microsoft supports it.

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Check out hundreds more useful Q&As like this in John Savill's FAQ for Windows. Also, watch instructional videos made by John at ITTV.net.