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Joining three separate domain controllers into one domain controller

Hi,

Not very experienced in migrating and or restructuring Windows Domains.

I have three separate domain controllers. Two are Win Serv 2012 R2 and one Win Serv 2008 R2. They each have different domain names name1.local, name2.local, name3.local. Is it possible to move all three onto another Win 2012 R2 Domain Controller with newname.local? And have the user accounts from the old domains work the same in the new domain?

Thanks for any help!

Chad

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arnold

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ChadHsrn

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Couple notes I forgot to add. We would like to have the three old domain controllers remain at those locations as domain controllers that have the Global Catalog and the new domain controller will have Global Catalog and FSMO roles.

Thanks!

ChadHsrn

ASKER

We want the three to be in one single domain. I've been told we need to avoid using trust relationships between them. Ultimately we would have on domain login that would work at all sites.

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Helao Mwapangasha

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Mohammed Khawaja

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ChadHsrn

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Thanks for the ideas!! I am going to run this on my lab.