Create a Mailbox-Enabled User
The management of user objects, such as mailboxes, is coordinated completely by Active Directory Users and Computers. When System Manager is installed on a Windows 2000 server, a set of extensions is added to the standard console. This allows you to create an Exchange mailbox for user accounts.
Tip If you do not add a mailbox when you create a new user account, you can enable the user's mailbox after creating the account. This option is available from the Shortcut menu in the details pane that lists the user account.
To create a mailbox-enabled user:
Tip If Active Directory Users and Computers doesn't appear on the Administrative Tools menu, on the Start menu, click Run, type dsa.msc, and then click OK.