RE: Exchange server 5.5 and domain upgrade
- From: "Christian Kurmann" <ckurmann@xxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Fri, 1 Mar 2002 13:39:02 +0100
We had similar expierences in our testlab, With the upgrade not running right.
I also resolved to saving everyones PST localy. However there are two things to
watch out for with the PST files. Make sure they have absolutly no encryption
or password protection, and make sure you copy them back into your new E2K
environment and not Move..
I Didn't do this very carefully, and two days after setting everything up my
upgraded W2K PDC decided to stop communicating with my fresh E2K server. This
caused quite a bit of caos because although all my mails where still on the
E2K, there was no way of getting at them because the Security Ids of the users
where no longer Valid on the E2K.
I Admit this was caused because of lack of knowledge on my side, and possibly
rushing the whole thing, but I still haven't found out Why the Active Directory
lost conntact to the E2K, and from what I have read there are others who have
had the same sorry experience. So keep your PST handy even after everything is
working again.
Good Luck
Christian
-----Original Message-----
From: Bill [mailto:bill9065@xxxxxxxxxxx]
Sent: Freitag, 1. März 2002 12:14
To: [ExchangeList]
Subject: [exchangelist] RE: Exchange server 5.5 and domain upgrade
http://www.MSExchange.org/
Upgrading the PDC as mentioned with Win2K initial installation causes Windows
2000 to function as a PDC emulator.
Depending on the number of users you have on your EX5.5 box (I assume you have
one EX5.5 server only) you essentially have 3 choices:
1. Performing an upgrade in place of your EX5.5 server (after upgrading the box
to Windows 2000) OR;
2. Installing a brand new box with a fresh copy of E2K Server (in the same
site) move mailbox between servers. (ADC will be required in this
instance) OR;
3. Depending on the number of users (we had 120 users and did this) - we
created PST files for each user over a weekend. We fully trashed the old NT4
box including Exchange 5.5. Re-Built our machine with Win2K as the next DC, GC
etc and installed a clean copy of Exchange 2000 (without ADC) then set E2K in
native mode whilst still running AD in Mixed mode. We then imported all users'
PST files. The only thing to condider is that if a user replies to an old
email they will have to re-select the recipient from the GAL. We took the time
to set up our AD properly etc. This is a longer process but it provided us
with a complete safety factor in that if we screwed up big time, we still had
our users email. Of course none of this is in the text book and the reason why
we did it was because upgrade in place of EX5.5 failed many times in our test
lab. It made sense for us to play it safe. The other reason we did it was
because our server really needed to be cleaned up and slightly larger disks
added.
I recommend that you set up a test lab and prove things for yourself.
Bill
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