An overview of user management
As an administrator, you have created several running virtual machines, and you can assign users to access the machines from the user portal. RHEV supports two types of user accounts: one is the admin account, which resides in the internal domain created during the RHEV-M installation, and other users are managed by integrating the manager with external directory services such as openLDAP, active directory services, and more for user authentication.
Except the internal admin account, the rest of the user accounts must be created in external directory servers, and these users are called directory users. Once the manager is attached to any of the supported directory servers, the users who reside in the directory servers can be added to the manager administration portal, thus making them RHEV-M users.
Using this multilevel administration feature of RHEV, we can customize permissions for each logical component, such as virtual machines, clusters, data centers,...