StevenWhiting.com

http://exchangeserverpro.com/exchange-2010-difference-between-remove-and-disable-mailbox

• Disable will remove the Exchange attributes for the user account but leave the user account in Active Directory.  The mailbox is then also left in the Exchange mailbox database until the retention period has lapsed, then it is removed permanently.
• Remove will remove both the Exchange mailbox and the user account from Active Directory

http://technet.microsoft.com/en-us/library/bb691354.aspx

This example is for a server that will have the typical installation of the Client Access, Hub Transport, and Mailbox server roles:

You can add the below in the Add-Windows Feature wizard or just paste the code below in a PowerShell window and it does just the same.

Add-WindowsFeature NET-Framework,RSAT-ADDS,Web-Server,Web-Basic-Auth,Web-Windows-Auth,Web-Metabase,Web-Net-Ext,Web-Lgcy-Mgmt-Console,WAS-Process-Model,RSAT-Web-Server,Web-ISAPI-Ext,Web-Digest-Auth,Web-Dyn-Compression,NET-HTTP-Activation,RPC-Over-HTTP-Proxy -Restart