What is child Domain? how to create child domain?


We create a domain ‘xyz.com’. This domain can be called parent domain or
root domain. Now ‘chd.xyz.com’ will be child domain or sub domain of xyz.com.
We create child domains to ease administration in very large domain networks.
We can create parent domain in the Head Office of the company and the child
domains in the branch offices.
Each branch office will have its own administrator
to manage users of the child domain present in the branch office.
                  A trust relationship is
automatically created between the parent domain and the child domain. This
means users in the child domain can access the file server of the parent domain
and vice-versa. Moreover users of either domain can use clients of either
domain for logging in the domain but a user can always logon only in the domain
in which his account resides, though he physically can use client PC of parent
or child domain. 



1. Configure a 2003 server computer as DC with
domain name as xyz.com. This will be the DC of your parent domain.
2. To create DC of child domain, go to another 2003
server computer and in the TCP/IP, give DNS server address for xyz.com.
3. In the RUN, type
4. Click O.K.
5. Click next > next.
6. Select ‘Domain controller for……..’
7. Click next > Select ‘Child domain in an
8. Click next > type username as administrator
and password of the xyz.com DC. In the domain, type xyz.com
9. Click next > Browse > select xyz.com >
10. In the child domain, type chd
11. Click next > next > next > finish.
12. Now this will be the DC of the child domain

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