Just to clarify...you can add an SBS to a subnet, you just can't do a trust. I have added an SBS to the same subnet of another network at two clients without an repercussions. I just couldn't do a trust, so the migration was cumbersome. In both we were splitting a group of employees into a separate company.

Michael B. Smith wrote:
As long as they aren't SBS.

Regards,

Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP
My blog: http://TheEssentialExchange.com/blogs/michael
Link with me at: http://www.linkedin.com/in/theessentialexchange


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 16, 2008 1:28 PM
To: NT System Admin Issues
Subject: RE: AD migration - how do I do this?

But, can two separate AD domains exist in the same sub-net/zone?
--------------------------------------
Richard McClary, Systems Administrator
ASPCA Knowledge Management
1717 S Philo Rd, Ste 36, Urbana, IL  61802
217-337-9761
http://www.aspca.org


"Don Guyer" <[EMAIL PROTECTED]> wrote on 09/16/2008 12:24:25 PM:

As far as DHCP goes, you will still be able dish out addresses to the
other domain just fine.

Don Guyer
Systems Engineer
Information Services Department
Prudential Fox Roach/ Trident
431 W. Lancaster Avenue
Devon, PA 19333
Ph: (610) 993-3299
Fax: (610) 650-5306
www.prufoxroach.com
[EMAIL PROTECTED]


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 16, 2008 1:14 PM
To: NT System Admin Issues
Subject: AD migration - how do I do this?

OK, no question!  We must create a new domain which will be a child
domain
of our NY office.  We must then migrate all users and systems into this
new domain.

Our current domain is Windows 2003 R2 native.  DNS is fully
AD-integrated.
 I realize that we can't just tell our existing domains (our current
plus
NY's current) to combine, and that renaming ours to resemble a child
domain of the NY domain WILL NOT WORK.

So, I set up this brand new Win2003 server, run DC Promo, and set it up
to
be a controller in a child domain of the NY domain.

Now, how the @#*& do I do DNS?  (I figure I must disable our current
DHCP
scope.)  I presume there is no way I can keep the current IP addresses,
right (that is, 10.1.2.x)?  That would also affect our gateway, network
switch, firewall, and other network devices as well.

Hey, if we have to pay out the wazoo for consultants, we have to, but
thanks in advance for any other suggestions, advice, etc which can be
offered.  (No, a link to the CERN black hole web cam would not be
considered a good suggestion, although timely.)
--------------------------------------
Richard McClary, Systems Administrator
ASPCA Knowledge Management
1717 S Philo Rd, Ste 36, Urbana, IL  61802
217-337-9761
http://www.aspca.org


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