Reading Time: 2 minutesJust now the Exchange Team released Cumulative Update 2 for Exchange Server 2013. Some helpful links: Blogpost: Released: Exchange 2013 RTM Cumulative Update 2 Download: Cumulative Update 2 for Exchange Server 2013 Knowledge Base article: KB2859928 Sizing tool: Exchange 2013 Server Role Requirements Calculator v5.8 The Role calculator is also upgraded to support CU2, which is logical as CU2 now enables 100 databases per server instead of 50 (Enterprise Edition). There is also some clarification on how to interpret the