server 2003 crashed how rebuild domain controller

mrbayIt
mrbayIt used Ask the Experts™
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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?
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Run this and let me know if the role holders belong to the crashed DC.

netdom query fsmo

Author

Commented:
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.
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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Author

Commented:
what server should i run this command from?
Any DC will work.

Author

Commented:
nope, its not the fsmo. Is that good news :)
Good even easier. You can just DC promo a new member server.

Author

Commented:
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
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.

Author

Commented:
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?
It will add the AD DS role only when you perform a DCPROMO. The other roles will not carry over in this process.

Author

Commented:
i see, so is there anyway to restore the roles since i have all of the files still in place
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.

Author

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

Author

Commented:
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
Hmm... perfect time to start proper documentation.

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