- Actions pane
The area of the Exchange Management Console that displays actions you can perform based on the object selected in the Console Tree, Results pane, or Work pane.
- Active Clustered Mailbox role
A highly available mailbox providing a hot standby of your mailbox database.
- Active Directory
The Microsoft Windows directory service, which consists of a forest, one or more domains, organizational units, containers, and objects. Various classes of objects can be represented within Active Directory, including users, groups, computers, printers, and applications.
- active/passive clusters
Usually works with a two-node arrangement, in which one node is active and maintains control over the quorum, while the other node waits in the wings. In Exchange ...