I have two domains in a trust - UR.local and SC.local. On the sc.local domain, there is an Exchange 2003 server on a windows 2003 server. UR.local is server 2003 as well. When users from UR.local conect through Outlook to the exchange server on SC.local, it requires the user to log in using a SC.lcoal user name and password. Is there an approved method to allow uses to access the exchange server using thier UR.local user name and password? I thought the trust would accomplish this.