The system administrator, as the SuperUser, manages all aspects of the Administration Portal. More specific administrative roles can be assigned to other users. These restricted administrator roles are useful for empowering a user with certain administrative privileges that limit them to a specific resource: a DataCenterAdmin role has administrator privileges only for the assigned data center, a ClusterAdmin has administrator privileges only for the assigned cluster, and so forth.

A UserVmManager is a system administration role for virtual machines in a data center. This role can be applied to specific virtual machines, to a data center, or to the whole virtualized environment; this is useful to allow different users to manage certain virtual resources.

The user virtual machine administrator role permits the following actions:

Many end-users are concerned solely with the virtual machine resources of the virtualized environment. As a result, Red Hat Enterprise Virtualization provides several user roles which enable the user to manage virtual machines specifically, but not other resources in the data center.