To perform this procedure, the account you use must be delegated the Exchange Recipient Administrator role.

For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.

Also, before you perform these procedures, confirm the following:

• The existing recipient has an Exchange 2007 mailbox.
  
• The existing Exchange 2007 recipient is enabled for Unified Messaging.
  
• A UM dial plan has been created.
  
• A UM mailbox policy has been created.
  

 To use the Exchange Management Console to view the Unified Messaging properties of a user

1. In the console tree of the Exchange Management Console, expand the Recipient Configuration node.

2. In the result pane, select the user's mailbox that you want to view.

3. In the action pane, click Properties.

4. On the Mailbox Features tab, click Unified Messaging, and then click Properties.

5. Select the appropriate option on the Unified Messaging Properties page and then click OK.

 To use the Exchange Management Shell to view the Unified Messaging properties of a user

• Run the following command:

  Get-UMMailbox -Identity tony@contoso.com

For more information about syntax and parameters, see Get-UMMailbox.

• For more information about how to install the Unified Messaging server role, see How to Perform a Custom Installation Using Exchange Server 2007 Setup.
  
• For more information about how to create a new UM mailbox policy, see How to Create a New Unified Messaging Mailbox Policy.
  
• For more information about how to create a new UM dial plan, see How to Create a New Unified Messaging Dial Plan.
  
• For more information about how to manage Exchange Server 2007 recipients, see Managing User Mailboxes.