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Mixed domain question

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by chrislehr

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I have an NT4 domain, and want to add a Windows 2000 server to it. After doing that, can I run dcpromo and make the 2000 a DC for the existing NT4 domain?

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by na_paul

The only way to get a Windows 2000 domain controller into an existing NT domain is to upgrade the PDC. As part of this process you must configure your active directory tree & forest. You will need to keep the AD in mixed mode as long as you have NT BDCs in the domain. It is recommended that you take a BDC offline while you do this as a backup measure.
If you did not want the Windows 2000 domain controller to be part of the NT domain, you could run dcpromo to create a new, or join an existing, active directory domain.

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