1.Active Directory domain controllers: Windows Server 2003 SP2 or later 2.Active Directory domain and forest functional level: Windows Server 2003 or higher 3.DNS requirements 4.Exchange Server 2010 schema changes 5.Active Directory Domain Services (AD DS) management tools 6.Microsoft .NET Framework 3.5 or later 7.Windows Remote Management (WinRM) 8.Windows PowerShell Version 2 9.2007 Office System Converter: Microsoft Filter Pack 10.Web Server (IIS) server role along with the following role services: • ISAPI Extensions • IIS 6 Metabase Compatibility • IIS 6 Management Console • Basic Authentication • Windows Authentication • Digest Authentication • Dynamic Content Compression • .NET Extensibility 11.Windows Server 2008 features • WCF HTTP Activation • RPC over HTTP Proxy 12.Net.TCP Port Sharing Service set to start automatically