Installing Exchange 2007 - The Basics and Active Directory
Windows Server 2003 R2 Service Pack 2 64 bit. You can use SP1 with certain hotfixes; however, SP2 is best.
Make sure the server has been added to the “Exchange Domain Servers” group in the Users container in Active Directory.
You need the following Windows services:
- For a mailbox server or CAS install the World Wide Web service
- For hub transport you need the IIS common files
You need to install the following software components (some may have been installed by R2/SP2):
The first thing you need to do is update active directory. I prefer to install the hub transport(s) next--since no mail can flow without a hub transport. Microsoft recommends bringing your CAS server(s) online first. I prefer the following order:
- Hub Transport (HT)
- Client Access Server (CAS)
- Mailbox Server (M

Active Directory
Before installing Exchange Server 2007 SP1, you must update Active Directory. This can be done on the Exchange server to be, or your domain controller. However, you must have the .NET Framework 2.0 SP1 installed and the PowerShell (in that order).
ExchangeLegacyPermissions should be updated at least 15 minutes prior to updating the rest of AD.
http://technet.microsoft.com/en-us/library/bb125224.aspx setup /PrepareAD [/OrganizationName: <organization name> ] or setup /p [/on:<organization name>]
After you run this command, you should wait for the changes to replicate across your Exchange organization before continuing to the next step. The amount of time this takes is dependent upon your Active Directory site topology.
You may receive errors during the setup process because is actually runs 4 different steps (which can be run independently, see the link above). AD may not have time to replicate the changes between the steps. If not, wait 15 minutes and re-run the AD update. The error will indicate needed prerequisites do not exist.
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