The ECP enables users to perform common tasks without having to call the help desk.
This allows your users to be more productive and allows IT staff to deliver more, while reducing support costs.
In Exchange 2010, new features such as work with other features such as shadow redundancy and transport dumpster to provide a new, unified platform for high availability and site resilience.
For more information about high availability features, see New High Availability and Site Resilience Functionality.
For administrators and specialist users, management role groups define what these users can manage in the organization.