You can later deploy more OOB site servers to other subnets or geographic locations. For example, if Intel AMT computers in a subnet cannot reach the main OOB site server, you can install another OOB site server into that subnet. Also, if you want to reduce the Notification Server computer's workload, you can move the OOB service from the Notification Server computer to another site server on the network.
All OOB site servers work with and must be able to access the same SQL database. When you run out-of-band management tasks, Out of Band Management Component and other Altiris solutions use this database to get the connection credentials for each of the Intel AMT devices.