You can set a forwarding address for a mailbox-enabled user. You
can also have forwarded messages delivered to both the forwarding
address and the user's mailbox.
On the Start menu, point to
Programs, point to Administrative Tools, and then
click Active Directory Users and Computers.
In the console tree, expand the Windows 2000 domain.
Double-click Users, or double-click the node that contains
the recipient information you want to modify.
In the details pane, double-click the recipient you want to
modify.
On the Exchange General tab, click Delivery
Options.
In the Delivery Options dialog box, under Forwarding
address, click Forward to, and then click
Modify.
In the Select Recipient dialog box, under Name,
select a recipient, and then click OK.
(Optional) To have forwarded messages delivered to both the
forwarding address and the user's mailbox, select the Deliver
messages to both forwarding address and mailbox check box.