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How Do I Add a Backup Domain Controller?

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5 replies

by jeffrey.ho

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Ok here is the situation. We currently only have 1 DC, and I want to have some sort of backup DC for redundancy in case the primary DC goes down. Is this a secondary DC I need to add, or is it a replica DC? Or do those two terms mean the exact same thing?

I basically want a backup DC in case the primary goes down. I know I have to use dcpromo, but I am rather new at this and need to know what steps I need to take...

If someone could offer step by step instructions, I would greatly appreciate it...

Jho

5 replies

by cg it

you need a domain controller with the global catalog role assigned to it. that's minimum for clients to log on to the domain and access network resources. This is assuming you have a seperate DNS servers from the DC and that shared folders or printers aren't on the DC itself rather another member server.

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