We are pleased to be able to announce the oft-requested Hosting and Multi-Tenancy Guidance for Exchange Server 2013 document. It is available for download here.
As the keen eyed reader will observe, it is very similar to the guidance for Exchange Server 2010. That’s not because all we did was a find, copy and replace, but because the strategy we decided upon for Exchange 2010 holds true for Exchange 2013. That is, you should only use the built in tools, cmdlets and interfaces for configuring your solution, and you should not under any circumstances directly manipulate objects in AD to meet your desired configuration.
Read more at source: http://blogs.technet.com/b/exchange/archive/2013/02/20/hosting-and-multi-tenancy-guidance-for-exchange-server-2013-now-available.aspx
You can also download it from here: http://technet.microsoft.com/en-us/exchange/jj720331