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Upgrading from Exchange 2000 to Exchange 2003

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Upgrading from Exchange 2000 to Exchange 2003 - 17.Aug.2006 3:39:54 PM   
skrall

 

Posts: 35
Joined: 1.Dec.2000
From: US
Status: offline
Current environment:
Win2000 domain running in mixed mode due to two NT40 BDC's at remote sites. All other remote sites authenticate here at the corp. office.
OWA running on a FE Win2000 Exch2000 server. Exchange 2000 running on BE Win2000 server.
Exchange 2000 is running on a member server.
Questions:
1) what issues would we encounter if we dont upgrade the NT40 servers prior to upgrading Exchange.
2) is it recommended to upgrade our Win2000 AD server to Win2003 prior to upgrading Exchange
3) do I need to run adprep (pending answer to #2)
4) what is the recommended sequence of upgrading:
     - upgrade FE to Exchange 2003
     - upgrade FE to Win2003
     - upgrade Exchange 2000 server to Exchange 2003
     - upgrade this Exchange server to Win2003
5) must you run Exchange 2003 SP1 before going to SP2?
Post #: 1
RE: Upgrading from Exchange 2000 to Exchange 2003 - 17.Aug.2006 11:09:37 PM   
jassyca

 

Posts: 232
Joined: 20.Jul.2006
Status: offline
quote:

ORIGINAL: skrall

Current environment:
Win2000 domain running in mixed mode due to two NT40 BDC's at remote sites. All other remote sites authenticate here at the corp. office.
OWA running on a FE Win2000 Exch2000 server. Exchange 2000 running on BE Win2000 server.
Exchange 2000 is running on a member server.


Okay.

quote:


Questions:
1) what issues would we encounter if we dont upgrade the NT40 servers prior to upgrading Exchange.


You're going to stay in mixed mode, right? Then there aren't any issues. If you plan to go to native mode, then you'll have to get rid of those NT BDC's first.

quote:


2) is it recommended to upgrade our Win2000 AD server to Win2003 prior to upgrading Exchange


Upgrade Exchange to 2003 before you upgrade your Windows operating system. Yeah, sounds backwards but that was actually the order that the originals were released so, of course, the upgrade will go much smoother if you do it in that same order.

quote:


3) do I need to run adprep (pending answer to #2)


You'll need to run Exchange "setup.exe" with /forestprep then /domainprep. If you were the one who installed Exchange 2000, you're probably thinking "but, hey, I already did that". Well, you do it again with Exchange 2003. They've done a few tweaks to the schema so you have to use those command line options to change your AD's schema. You only have to run each of those options once but for each domain controller that you want to use to manage Exchange objects, you'll need to install the Exchange management tools on that server.

quote:


4) what is the recommended sequence of upgrading:
    - upgrade FE to Exchange 2003
    - upgrade FE to Win2003
    - upgrade Exchange 2000 server to Exchange 2003
    - upgrade this Exchange server to Win2003


ugh.. can't find the link where I found this Microsoft article but I'll type a quote from it. "Upgrading Front-End and Back-End Servers. Exchange 2003 supports the deployment of Exchange in a manner that distributes server tasks among front-end and back-end servers. .. If your Exchange organization takes advantage of front-end and back-end architecture, you must upgrade your front-end servers before you upgrade your back-end servers."

Here's more from the same article that the above quote came from: "Upgrading the Operating System. If you plan to upgrade your Exchange 2000 servers running Windows 2000 SP3 (or later) to Windows Server 2003, you must first upgrade those servers to Exchange 2003. This upgrade sequence is required because Exchange 2000 is not supported on Windows Server 2003."

So, what you want to do is:
  1. Upgrade FE Exchange 2000 to Ex 2003
  2. Upgrade BE Exchange 2000 to Ex 2003
  3. Upgrade FE Exchange 2003 / Win 2000 to Win 2003
  4. then Upgrade BE Exchange 2003 / Win 2000 to Win 2003.

The article also says your Exchange 2000 / Win 2000 servers have to have Win 2000 Service Pack 3 (or later) and your Global catalog server(s) also must have Windows 2000 SP3 (or later). Also, if you have Exchange Enterprise 2000 then you have to upgrade to Exchange Enterprise 2003! Can't go Enterprise to Standard (although I think you can go Standard to Enterprise).


quote:


5) must you run Exchange 2003 SP1 before going to SP2?


Nope. Service packs are accumulative. So you can skip SP1 and just install SP2.

(in reply to skrall)
Post #: 2

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