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Make a Windows 2K3 server a new child domain DC to an existing windows 2000 parent domain

dazzler1971
dazzler1971 asked
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Last Modified: 2010-04-13
Hi,

We have a parent company who are running windows 2000 AD domain forest.  We need to create a child domain to that existing parent domain configuration using windows 2003 servers as the child domain DCs (domain controllers)

Can this be done?

DE
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Hi dazzler1971

Before introducing a Windows 2003 Domain in a Windows 2000 forest, you need to upgrade the schema of the existing 2000 forest by running "adprep /foresetprep" off the windows 2003 CD on the Schema Master domain controller, logged in as a Schema Admin. After running the forestprep, give adequate time for replication to occur. Then you can go ahead & bring in a new Windows 2003 child domain.

Note: Since you are bring an entire new windows 2003 domain in windows 2000 forest. You do not need to perform the "adprep /domainprep" in the existing windows 2000 domain. If you want to bring a Windows 2003 DC to an existing Windows 2000 domain, then you need to perform the domainprep procedure.

Feel free to post any suggestions or queries.

ADExpert
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Commented:
you only need to run those tools if you are upgrading a 2000 DC to 2003   not if you are just adding a DC in, the 2003 DC will just be capped to 200 capability
This one is on us!
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Commented:
hmm have read the same post numerous times but have still managed to succesfully add 2003 DC's into a 2000 Forest

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