Now you know the basics of new features and similar functionalities in comparison to Exchange Server 2007 and/or 2010, we would like to draw your attention to some of the features and components that have been removed from this latest edition, without going into much detail, because they are gone anyway.
Following table gives an overview of the most important removed features:
For a complete overview of the removed features, please consult the following Microsoft TechNet article:
http://technet.microsoft.com/en-us/library/jj619283(v=exchg.150).aspx
We hope this appendix has given you enough inside in the core updates and new features of Exchange Server 2013.