Working with Hi-Res Photos in Exchange 2013 and Lync 2013
Exchange 2013 and Lync 2013 now have the ability to use high-resolution photos for users to view photos of their contacts and to make their own photos available to others. Usually these photos were stored as part of the user's thumbnailPhoto attribute
Read More...
Read the complete post at http://www.expta.com/2012/12/working-with-hi-res-photos-in-exchange.html