Exchange 2010: Can You Have Too Much RAM?

Pilots have a saying: "You can never have too much fuel, unless it's on fire." Of course, there's also the old chestnut that claims you can never be too rich or too thin. When it comes to Microsoft Exchange Server, is it possible to have too much RAM? Let me backstop that question with a bit of historical explanation. In the days of 8-, 16-, and 32-bit operating systems, we were pretty much stuck with virtual memory as a means of supporting address spaces larger than the CPU's physical address ...