Hello folks, this is just a small post and is about Lync Server 2013 where you will need these tools for planning and sizing Lync 2013. People been asking about these files and here are the links. There is dedicated files that specifically made for Lync 2010 but as you know Lync 2013 is superior to Lync 2010 only by capacity and with fine tuned components. However, if you use the following tools for planning Lync 2010, you will definitely overshoot the requirements.