This guide shows you how to enable forwarding on a users mailbox:
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- Open up the Exchange Management Console.
- Expand Recipient Configuration.
- Click Mailbox.
- On the right hand side double click the mailbox you want to modify.
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- Step 1 -> Right click on the user account.
- Step 2 -> Click on Properties.
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- Step 1 -> Click on the Mail Flow Settings Tab.
- Step 2 -> Click on Delivery Options.
- Step 3 -> Click on Properties.
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- Step 1 -> Click on the checkbox to enable forwarding.
- Step 2 (optional) -> you can select the option to deliver mail to both mailboxes.
- Step 3 -> Click the Browse button.
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- Select the user or group from the list and then click on OK.
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- The address will now show in the text box as shown above.
- Click OK.
- Back at the main mailbox settings window click Apply and then OK.
Hope it helps.