I’d previously covered this but the original post is out of date as the prerequisites have change in the SP2 build of Exchange 2010… so…

On Server 2008 R2

Powershell with Admin Rights

Import-module ServerManager


Client Access Server

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, Web-WMI, Web-Asp-Net –Restart

Following the reboot

Set-Service NetTcpPortSharing -StartupType Automatic


Hub Transport Server

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 –Restart
Install – Office 2010 Filter Packs – http://go.microsoft.com/fwlink/?linkid=191548


Mailbox Server

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 –Restart
Install – Office 2010 Filter Packs – http://go.microsoft.com/fwlink/?linkid=191548  


Edge Transport Server

Add-WindowsFeature NET-Framework,RSAT-ADDS,ADLDS -Restart


Installing the telnet client – useful to test mail relaying on the Hub and Edge Transport servers

Add-WindowsFeature Telnet-Client