Exchange 2010 SP1 includes 69 built-in roles that are designed to cover the vast majority of administrative and user tasks performed in Exchange organizations. The majority of the roles cover administrative tasks, from taking care of address lists to managing public folders, and there is a small set of roles (all prefixed with “My”) that are used to assign rights to users to maintain their mailbox settings and other options. You can see the complete collection of roles with the command:
When you break it down, a role can be decomposed into a set of cmdlets and parameters that Exchange makes available to anyone who holds the role. For example, if we look at the Message Tracking role, you find that it includes the six cmdlets ...