Hi,

 

With the release of the new Cumulative Update 2 we have also updated the Server Role Requirements Calculator.

 

You can find the newer version at :

 

http://blogs.technet.com/b/exchange/archive/2013/05/14/released-exchange-2013-server-role-requirements-calculator.aspx

 

Should you have any doubt, this article will most probably clear it out :)

http://blogs.technet.com/b/exchange/archive/2013/05/06/ask-the-perf-guy-sizing-exchange-2013-deployments.aspx

 

Kindest regards,

 

João Ribeiro