Deploying a Second Server
As discussed earlier in this chapter, Windows SBS 2008 Premium Edition enables you to install a second server on your network for any purpose you wish. What you plan to do with the server determines what hardware the computer requires and how the installation should proceed. Some of the roles you might use a second server to perform are as follows:
File and print server. If your users have heavy file storage and printing requirements, if might be beneficial to move your file and print services to a second server.
Second domain controller. A second domain controller can provide redundancy on a local network, but it can also enable a branch office to access AD DS resources without having to connect to a remote domain controller ...