Before you install Exchange 2007 SP1 onto a Windows 2008 server you'll need ensure that prerequisites are installed, by default .NET Framework 2.0 and Microsoft Management Console (MMC) will be installed but you'll need to install Windows PowerShell.
Note: You won't need to go looking around on the Internet for PowerShell all you'll need to do is:-
- Go to Control Panel
- Programs and features
- Select 'Turn windows features on or off'
- From Server Manager, click on Features and 'Add Features'
- Then scroll down and select WindowsPowershell (as Show below)
Written by Daniel Kenyon-Smith