In Exchange 2007, the Recipient Configuration node and its child nodes (Mailbox, Distribution Group, Mail Contact, Disconnected Mailbox) of the Exchange Management Console (console) are used for recipient management. By default, up to 1000 recipients in the current domain are displayed in the result pane of the Recipient Configuration node and its child nodes. For organizations with more than 1000 recipients, 1000 recipients have to be displayed by default while they may not be the specific set of recipients that you want to manage, and you may not want to wait until they are displayed. This article gives a few tips to manage and speed up the console view.
Microsoft Exchange Server 2007, Tips