Using Emergency Management Services (EMS)
It is often handy to access a server outside of the normal network connection. For example, the network interface at the server might not be functioning. Or, something has broken the connection between you and the server. Or, the server refuses to respond and you want to check out the problem.
Windows Server 2003 provides a way to access a server via a serial line connection. This feature is called Emergency Management Services, or EMS. The name is a little misleading because there really isn't a service called Emergency Management. Instead, EMS represents a base functionality that can be enabled using a switch in Boot.ini. This switch redirects output to a serial port and listens for responses.
The simplest ...