I’m happy to announce that the Exchange performance virtual team within Microsoft Support has produced some fantastic new performance guidance content for Exchange 2013 users, and it is now available on TechNet at http://aka.ms/Ex2013PerfContent. This is a compilation of resources that we’ve previously published, guidance presented at Microsoft events since the release of Exchange 2013, and things that we have learned through the process of providing support to customers deploying the product.
Read more at source: http://blogs.technet.com/b/exchange/archive/2015/01/21/ask-the-perf-guy-new-exchange-2013-performance-guidance-available-on-technet.aspx