Exchange 2007 on a Domain Controller

Posted on 2007-10-11
Medium Priority
Last Modified: 2010-03-06
How does exchange 2007 run on a single domain controller?  This is a small company that we were going to use exchange 2003 on but I would like to consider 2007. I have just started playing around with 2007 and it is quite different!  The company does not have an AD or exchange server now, just a workgroup.  I would be installing the domain controller and exchange on the same server.
Thanks - Wayne
Question by:wspjones99

Accepted Solution

sykosis earned 450 total points
ID: 20061799
Short answer is - yes you can install it.  But really this is only a good solution for testing and validation enviornments.  The thing you need to consider is the amount of resources Exchange 2007 actually takes and that you probably want to seperate domain function on a different box (gc/fsmo roles/dns/etc.)  Also Exchange makes changes to AD when it's installed and as a guideline you don't want to remove Exchange or remove the PC as a DC once it's installed which can complicate things if you ever decide to expand to and seperate out the roles.

It's just one of those cost decisions... yes it'll work but is it really worth the problems in the end.
LVL 29

Assisted Solution

mass2612 earned 300 total points
ID: 20061862
How many users do you have? In this scenario with a single box I would rather recommend SBS 2003 over running Exchange 2007/AD on a single box but you are limited to 75 users.

Author Comment

ID: 20062048
Thanks for the comments.  The client has already purchased the server and exchange licenses.  They have about 15 users now.  I am inclined to go with exchange 2003, downgrading the license.  But if we install 2003 on the IBM box now, what will we face for the upgrade? 32 bit vrs 64 bit....I have about  1 week to get the 2007 exchange box working, or drop back to 2003.
Thanks - Wayne

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