Last week Microsoft released Exchange Server 2010 Service Pack 1. It has received some great feedback and reviews from customers, experts, analysts, and the Exchange community.
The starting point for SP1 setup/upgrade should be the What’s New in SP1, SP1 Release Notes, and Prerequisites docs. As with any new release, there are some frequently asked deployment questions, and known issues, or issues reported by some customers.
Link – http://msexchangeteam.com/archive/2010/09/01/456094.aspx
