Re: Join 2 domains

4pcd wrote:
Hi,

I have 1 seperate domains on the same local network. We kept them apart having different Domain Controllers and each having thier own DNS, DHCP and WINs.

We would now like to make the one a child domain of the other. Can anyone recommend a way to do this? Following is what each domain controller is configured with

DOMAIN CONTROLLER A SERVER
Windows 2003 Enterprise, DNS, DHCP and WINs, with it's own subnet of 192.50.40.xxx. Domain Name : domain.com

DOMAIN CONTROLLER B SERVER
Windows 2000 Advance Server, DNS, DHCP and WINs, with it's own subnet of 192.168.xxx.xxx. domain name : support.domain.com

Should I demote the 2000 Doamin and run dc promo and make it part of the 2003 domain or is there an easier way.

I want authentication both ways so that resources and be used by both subnet.

Your assistance will be most appreciated.

I have a question - these are two different forests which are utilizing the same DNS namespace (domain.com) or parent and child domain. Your statement that these two domains are completely separated is a little confusing about that. You are writing that You want make one of these domain child of other so I assume that these are separated forests in fact, but I don't want to make assumption.

But this just for clarification.

In any case ADMT is Your friend here as You have to perform migration of users accounts, workstations etc from one domain to another and ADMT can help You with this.

Possible scenarios is:
- promote new child domain in forest where domain A resides (domain C)
- migrate resources from domain B to domain C (maintaining SID History)
- decommission domain (and forest) B
- re-ACL resources etc

This is very short description which doesn't outline entire planning and testing process.

Are you running exchange in these domains?



--
Tomasz Onyszko
http://www.w2k.pl/blog/ - (PL)
http://blogs.dirteam.com/blogs/tomek/ - (EN)
.

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