
Part I: PowerShell for Exchange Fundamentals
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Server 2007 computers, because there is no way to install these older versions if Exchange Server 2007
was installed prior. The following list outlines domain requirements:
❑ Schema Master: Requires Windows Server 2003 SP1 or greater
❑ Global Catalog Servers: Minimum of 1 GC per site must have Windows Server 2003
SP1 or better
❑ Domain Controller: Windows Server 2003 SP1 or better
❑ Required in each site
❑ Required in each domain parent and child
❑ Required in each domain where /PrepareLegacyExchangePermissions will be run
❑ Non - English Domain Controllers: Hotfix 919166 or Windows Server 2003 SP2
❑ Active Directory Site: For every site that has a Mailbox server, a Hub server must also
be installed.
❑ For every site that has a Mailbox server, and has the necessity for Outlook 2007 or Outlook
Web Access client access, a CAS server must also be installed.
❑ Forest Level Function: If cross - forest trusts or forest - to - forest delegation is used, the functional
level must be Windows Server 2003.
❑ If free/busy information will be available to users in another forest, the functional level
must be Windows Server 2003.
❑ If free/busy information is not required, the forest level must be Windows Server 2000
native or better.
❑ Domain Functional Level: Windows Server 2000 native or ...