If you are using Exchange Server 2003, it is worth considering a move to Office 365 instead of Exchange 2012. If you have business reasons to do so, it is possible to use the migration tool to switch over from an 'on-premises' Exchange-hosted mail service to a cloud-based Office 365 service. Jaap walks through the steps for a relatively small corporation..… Read more
Exchange's Recipient Update Service was important in Exchange 2000 or 2003 in order to complete the provisioning or updating of mailboxes created from an out-of-band process or from an Active Directory User. In Exchange 2007, full provisioning is automatic, but the functionality can replaced by Powershell scripting if it is required.… Read more