Workstation requirements:
A 2 GHz Intel Pentium Processor.
1 GB of system memory.
Sufficient disk space to store the database.
One of the following operating systems (32 or 64-bit):
Windows 7
Windows Server 2008 R2
Windows Vista SP2
Windows Server 2008 SP2
Windows XP SP3
Windows Server 2003 SP2
Messaging API (MAPI) client libraries included with:
Microsoft Exchange Server MAPI client and CDO 1.2.1
Microsoft Outlook 2010 (32-bit version only)
Microsoft Outlook 2007
Microsoft Outlook 2003
Microsoft Outlook XP (2002)
Microsoft .NET Framework 3.5 SP1.
Windows Management Framework Core package.
Optional SQL Server requirements for Enterprise edition
One of the following Microsoft SQL Server versions (32 or 64-bit)
2008 R2
2008
2005
SQL Server Express (2008 R2, 2008, 2005) may also be used.
Microsoft Exchange Server requirements
Supported versions (32 or 64-bit) of Microsoft Exchange server are:
2010
2007
2003
5.5
5.0
4.0
There is nothing to install on the Exchange Server, nor is there anything to change in the Exchange organization.