Lync Server 2010 to 2013 (Migration or upgrade)

Lync Server 2010 to 2013 (Migration or upgrade) For Step by Step guide click here Lync Server 2013
IT Infrastructure.. ”IT infrastructure consists of the equipment, systems, software, and services used in common across an organization, regardless of mission/program/project. IT Infrastructure also serves as the foundation upon which mission/program/project-specific systems and capabilities are built.”