Ensure the account you assign client permissions to, has a mailbox on the Exchange server.
Ensure the Exchange server has one Organizational Forms Library for each language in your Messaging deployment. If you must add libraries, see Adding Organizational Forms Libraries.
Log on to the Exchange server.
Replace <Forms Library> with the name of the Organizational Forms Library that you used in Adding Organizational Forms Libraries.
Replace <user@domin.com> with a user account.
Use the account from this procedure to log in to a computer that is running Outlook. For details, see Installing the voice message form.