RE: E2k to E2003 migration question

  • From: "Mulnick, Al" <Al.Mulnick@xxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Wed, 23 Feb 2005 09:14:17 -0500

What is your existing FE server? 

FE server requirements are usually pretty low; you could use a desktop
machine for an interim build.

If you can't upgrade the fe server first, you'll be without webmail for the
amount of time it takes you to upgrade it.  That's because the web files
come from the backend and get processed by the fe and sent to the client for
rendering.  If you don't have that "chain" in alignment, you break the

You could also consider having webmail be directed directly to your be
server for the migration period.  Would require some changes to DNS and your
cert depending on how you have it configured, but gets around the hardware

Some thoughts anyway,


-----Original Message-----
From: Jason Lehrhoff [mailto:techlists@xxxxxxxxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, February 23, 2005 9:26 AM
To: [ExchangeList]
Subject: [exchangelist] E2k to E2003 migration question

I am about to do a migration introducing a brand new server. there is one
thing in MS white papers that is bothering me, about front end servers. It
says that 'all front end servers have to be upgraded first'. This is my
I am replacing my mail server with a new box, and then shifting that old
mail server to be my new web server (also a front end exchange box). I can
only upgrade my front end server after the back end one has been upgraded,
giving me the extra server to replace. The only thing I can think of is
uninstalling Exchange 2k from the front end box the day before the
upgrade... but this would give us no web mail for at least 1 whole business
day. Plus I would  be constricted to installing E2003 on that same day ( a
friday...and doing all the server replacements on the weekend). I wanted to
get exchange installed/tweaked a few days ahead of time, so that I was sure
that all public folders and such have replicated.

any tips would be greatly appreciated.


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