One of my clients has a Win2k3 server running AD and Exchange 2003. At the time, they only planned on buying one server, so this was the solution for them (against my better ...

I have a Windows domain which has Windows 2003, 2008, 2008 R2 servers to support Desktops, SharePoint, and Exchange among other things. There are 3 domain controllers. The first domain controller was ...