Child/Parent Domain

Microsoft Windows server 2003 enterprise
February 18, 2010 at 07:52:05
Specs: Windows Server 2003
I have a child domain that I would like to separate from a parent domain but still have a trust between the parent domains and new domain.

The current child DC's (2 of them) are also configured as out internal DNS servers for the child domain.

What are the best steps to do this?
1. Export all AD accounts
2. Use DCPromo to bring down child DC's
3. Use DCPromo to create child DC's on new separate domain.
4. Import AD accounts.

What about DNS? How do I keep existing DNS records for our internal servers. Will they chaneg automatically or will I have to do every machine manually? Also, does anything need to be done on the parent side to remove the child domain. Do I need root domain access to do this, or can it be done from child domain.

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February 18, 2010 at 09:06:08
You have two options

Bring up a new forest and have make this domain in a new forest. Create a forest trust between the new and the old


Realise you can not seperate the root [parent] from the child and instead create another child. Move everything from the root to the new child.

Lots of good books on AD design.

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