requirements:
	o You can run Exchange Server 2003 on the following operating
	  systems:
		• Microsoft Windows Server 2003
		• Microsoft Windows 2000 Server Service Pack 3 (SP3) and up.
	o Exchange Server 2003 is supported in the following Active
	  Directory environments:
		• Windows 2000 mixed mode domains
		• Windows 2000 native mode domains
		• Mixed Windows 2000 and Windows Server 2003 domains
		• Windows Server 2003 native mode domains
		• Windows Server 2003 interim mode domains
	o Domain controllers and global catalog servers must be running
	  either Windows Server 2003 or Windows 2000 Server SP3.
	o Exchange 2000 Server Service Pack 2 (SP2) or later is supported
	  in an environment with Windows Server 2003 domain controllers and
	  global catalog servers. Exchange 2000 is not supported to run on
	  the Windows Server 2003 OS (just in a win2k3 domain on win2k).
	o You can run Exchange Server 2003 on either a member server or on a
	  domain controller. After you install Exchange Server 2003 on a
	  server, do not change the role of the server.

preparation:
	o obtain the Exchange 2003 CDROM (setup.exe)
	o download latest exchange deployment tools (exdeploy.hta)
	  http://www.microsoft.com/exchange/downloads/

discovery:
	o vsmtp server properties
	o public folders?
	o smtp connectors?
	o is server on domain?
	o was a good backup performed?
	o pop3 or imap used?

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Exchange Server 2003 Requires the following Windows 200x services:

	o The .NET Framework
	o ASP.NET
	o Internet Information Services (IIS)
	o World Wide Web Publishing Service
	o Simple Mail Transfer Protocol (SMTP) service
	o Network News Transfer Protocol (NNTP) service

For security reasons in Windows 2003 IIS is locked down, so not only make
sure that you install the services, but also that the corresponding services
are set to Automatic. Finally start the services if they are not already.

install exchange 2003
	setup.exe /forestprep  (on schema master)
	setup.exe /domainprep  (on pdc emulator?)
	exdeploy.hta -> "Upgrade from Exchange 2000 Native Mode"

exchange public folders to replicate/move:
	default     - auto replicated - no touch
	ExchangeV1  - auto replicated - no touch
	Offline Address Book
	OAB Version 2
	Schedule+ Free Busy Information
	Internet Newsgroups (if used)

RUS
	routing groups -> x -> Members -> right-click server, set as master

put exchange into native mode. system manager -> xyz(Exchange) -> properties.

rehome mailboxes (take inbound email offline)

make any necessary changes to firewall NAT policies or SPAM filter devices.
	o smtp (spam filter), http (owa), pop3, imap

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What setup /forestprep does is create the Exchange Organisation name in Active
Directory. Be careful with the Organization name you choose because you cannot
change your mind later. In addition /forestprep extends the schema and modifies
the users attributes to include a mailbox. In practical terms, this means that 4
new tabs will appear on the User's property sheet as viewed in Active Directory
Users and Computers.

Make sure that you run /forestprep on the domain controller which is also the
schema master and preferably a Global Catalog server.

Setup /domainprep creates two new security groups: Exchange Domain Servers and
Exchange Enterprise Servers. You can inspect the new groups in the USERS folder
of Active Directory Users and Computers. /domainprep also creates the Exchange
System Objects container in Active Directory.

If installation fails make sure you delete EXCHSRV\mbdata before trying again.

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links:
	o Overview of operating system and Active Directory requirements for
	  Exchange Server 2003: http://support.microsoft.com/kb/822179/