What follows is the description of all the server roles that might be installed during the ConfigMgr server deployment.
Roles installed during server deployment
Site server
The site server role is always installed during ConfigMgr deployment. It is not possible to change preferences of this role or remove it.
Site system
The site system role is always installed on a computer that provides specific functions for the ConfigMgr environment. It is installed by the ConfigMgr server installer and if any ConfigMgr server role is going to be installed on an operating...