Question

DC new domain name

Asked by: alex-is

Hi everyone

Need some help here.  My company merged with another company and the domain must be changed.

Our current domain is:       oldcompany.com
New domain must be:          department.newcompany.com

We are running 2000/2003 servers with exchange 2003
Can anyone provide more or a less a workflow to make the transition?

Thanks!!!

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Asked On
2005-04-18 at 06:45:43ID21392691
Tags

domain

,

name

,

change

,

new

,

dc

Topic

Windows 2003 Server

Participating Experts
4
Points
250
Comments
12

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Answers

 

by: cyberdevil67Posted on 2005-04-18 at 07:18:47ID: 13806366

Hi alex-is,

 You need to demote the server and set it up with a domain name again. Check this article if you run into problems.

 Oh and make sure you backup the server first.

http://support.microsoft.com/?kbid=195242

Cheers!

 

by: alex-isPosted on 2005-04-18 at 07:35:33ID: 13806534

Cyberdevil,

I guess i didn't make the questions clear.  I'm not trying to change the server name.  Just add a new domain to my Active Directory.

thanks!

 

by: cyberdevil67Posted on 2005-04-18 at 07:40:07ID: 13806582

The server name is the domain controller name..

You can't change from

Our current domain is:       oldcompany.com
New domain must be:          department.newcompany.com

oldcompany.com is the name of the server and oldcompany will be the name of the server.

If you right mouse button on myComputer and select properties, there will be an option to change the server name but you can't do this if the server is a Domain Controller, it needs to demoted to a standard server then changed and promoted with the new name.

 

by: corneliupPosted on 2005-04-18 at 07:41:31ID: 13806600

Is it possible to upgrade the domain to a 2003 domain, upgrade every server in the domain to 2003 server?
If it is possible then then you ca use the domain rename tool from Microsoft to rename the 2003 domain, so you don't loose your actual domain.

http://www.microsoft.com/windowsserver2003/downloads/domainrename.mspx

If you demote your DCs' you loose everything!

 

by: harleyjdPosted on 2005-04-18 at 07:45:01ID: 13806654

I'd migrate via a temporary server. By using ADMT you can move the Users and PC's to another Domain.

Either build a new DC into department.company.com and move direct to it, or do a 3 way swap.

Move to a temp server in domain temp.newcompany.com or even temp.local, it doesn't really matter. DCpromo the old server, then promote it back t department.company.com then ADMT the users and PC's back to the rebuilt DC.

ADMT is pretty easy to use, and allows you to keep SIDs for PCs and Users, saving headaches with profiles, security et al...

 

by: mikeleebrlaPosted on 2005-04-18 at 07:46:32ID: 13806681

what functional level is the domain at?  if you dont know how to check that see this:

http://www.computerperformance.co.uk/w2k3/w2k3_mixedvnative.htm

2003 domains CAN be renamed.  2000 domains cannot be renamed however.  

in your case it sounds as though you want a parent domain (company.com) with a child domain of department.company.com.  In that case you will need at least 2 domain controllers (1 parent, 1 child)

 

by: harleyjdPosted on 2005-04-18 at 07:46:43ID: 13806683

And if I'd refreshed I would have seen corneliups answer early enough not to embarrass myself... :)

 

by: alex-isPosted on 2005-04-19 at 09:45:01ID: 13817250

it's a 2000 native domain..

in order to move exchange accounts from
(current server is   mail.oldcompany.com) to a
(new server mail.department.newcompany.com) i would need to bring up a new exchange server just to move the accounts?

 

by: corneliupPosted on 2005-04-20 at 00:51:37ID: 13822047

Normaly Exchange uses AD as user database, so the problem is the same.... in order to keep you actual user database you need to upgrade.... to 2003

20120131-EE-VQP-002

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