RE: Upgrading an Exchange 2000 Cluster to Exchange 2003

  • From: "Depp, Dennis M." <deppdm@xxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Wed, 07 Apr 2004 14:50:20 -0400

If you want a clean install of the OS, here is one way to do it.

Perform a rolling upgrade of Exchange 2003 on the cluster.
Perform a rolling upgrade of Windows 2003 on the cluster.  
Once the cluster is on Windows 2003 and Exchange 2003, then evict the
node, rebuild it and add it to the cluster.  
Do the same for node 1.

I do not think you can add a Windows 2003 box to a Windows 2000 cluster.

Denny 

-----Original Message-----
From: Mulnick, Al [mailto:Al.Mulnick@xxxxxxxxxx] 
Sent: Thursday, March 18, 2004 9:34 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Upgrading an Exchange 2000 Cluster to
Exchange 2003

http://www.MSExchange.org/

It's been a while, but I believe the scenario you suggest is in the
readme/docs for upgrading clusters.  The rolling upgrade method is one
of the reasons you'd want a cluster in the first place, right?  The only
downside is that you don't get the ability to rigorously test the
cluster as a whole prior to user traffic to ensure you have all the bits
in the right order. 

Moving them to another server first gets around the burn-in issue, but
it's a real pain for you since you'd have to leave the cluster (at least
one node
anyway) up as long as it takes for the users to update profiles.  

I'd strongly opt for the first method if possible.  If not, rather than
move the users to another server while I rebuilt the entire cluster, I'd
opt for evicting one node, taking it and the other server I was
otherwise going to use and building the new cluster etc.  Only move the
users once if possible.

 
My $0.02 anyway.

-----Original Message-----
From: William Holmes [mailto:wtholmes@xxxxxxxxxxxxxx]
Sent: Tuesday, March 16, 2004 6:16 PM
To: [ExchangeList]
Subject: [exchangelist] Upgrading an Exchange 2000 Cluster to Exchange
2003

http://www.MSExchange.org/

Hello,

I am in the process of upgrading an Exchange 2000 cluster to Exchange
2003.
I have a couple of questions/ideas.

Is it possible to evict one of my cluster nodes and then do a clean
install of Windows 2003 and then re-add the new Windows 2003 node back
to the cluster, and at that point install and configure Exchange 2003 to
on the new node and then proceed with a rolling upgrade of the Exchange
Virtual servers by moving them to this new node.

I realize I could simply upgrade to Exchange 2003 with out the eviction
and re-install of Windows 2003 but I would prefer a clean OS install
rather than an upgrade after the Exchange 2003 upgrade.

I ask because during the upgrade of my Front-End servers I ran into some
problems which ultimately required a full re-install.

As a rule a prefer clean installs to upgrades except when absolutely
necessary. 

The other option I am considering is moving all of my user mailboxes to
another server re-building the cluster from scratch and then moving the
mailboxes back. This also has advantages.

Opinions appreciated.

Thanks

Bill

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