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mrbayIt
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server 2003 crashed how rebuild domain controller

Hi guys, i have a domain controller that crashed. I had to run a repair too fix, but it put the OS in a basic state. However i still have the ntds files and other system files i presume, its just that the roles and it even being joined to domain has all been blanked out. This is one of 15 other DC's on our network. How can i cleanly rebuild this DC, with there being no backups and only the files i mentioned above?
Microsoft Legacy OSMicrosoft HardwareMicrosoft Applications

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motnahp00

8/22/2022 - Mon
motnahp00

Run this and let me know if the role holders belong to the crashed DC.

netdom query fsmo
mrbayIt

ASKER
yes i do, we have 29 other dc's. Im worried its the down dc is going to replicate across the domain with bad metadata and kill us.
motnahp00

Sorry, I edit the original comment.

Run this and let me know if the role holders belong to the crashed DC.

netdom query fsmo
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James Murphy
mrbayIt

ASKER
what server should i run this command from?
motnahp00

Any DC will work.
mrbayIt

ASKER
nope, its not the fsmo. Is that good news :)
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motnahp00

Good even easier. You can just DC promo a new member server.
mrbayIt

ASKER
heres where im new to servers and my knowledge is a little limited. I need it to be the same server name, because its associated with so many files around the enterprise. How can i do that? Also, how can i replicate the roles, if i dcpromo will it prompt me for the ntds file which would contain those roles? or do i have to figure it out manually
motnahp00

All DCs are peers so the NTDS database will replicate when you bring the new server online. So do not worry about restoring that piece.

You can keep the same server name and IP address if that is your preference.

As for the files that were associated with the downed server, you will have to rely on whatever backup solution you have implemented.
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rwheeler23
mrbayIt

ASKER
But what about the roles? When i dcpromo will it automatically fill in the roles. Ie: print services, file services, directory services, dhcp services etc?
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motnahp00

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mrbayIt

ASKER
i see, so is there anyway to restore the roles since i have all of the files still in place
motnahp00

Sorry, I personally do not have experience with restoring roles with that method. If my DC was having issues and crashed, I wouldn't want to bring back any configurations that corrupted the server in the first place.
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mrbayIt

ASKER
it was just a virus...i need the same configurations for the roles :/
motnahp00

More reason not to restore anything from the old server. DCPROMO the box and reinstall the roles. It's not too hard. Most of it is wizard driven.
mrbayIt

ASKER
its not the role wizard thats hard, its the settings im after. For example, under print servers role, all of the printers i would have to manually track down and reinput though we have no records. Same for the dhcp role, and the file servies role...Dont have any records or backups so id have to manually configure them all over again
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William Peck
motnahp00

Hmm... perfect time to start proper documentation.