Do I need authoritative restore in this case?

If I only have 1 DC in my domain, if a user delete an entire OU, when I run restore, do I need to run into authoritative restore? I know that if I have 2 DC, for sure I must need to run it.
wuitsungAsked:
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Toni UranjekConsultant/TrainerCommented:
Hi wuitsung,

Actually, no. And you won't be havin any problems if this DC stays the only one. But in general this is very bad idea, perform an authoritative restore and set up 2nd domain controller.

HTH

Toni
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wuitsungAuthor Commented:
Thank you. what is the bad idea you mean?? to have only 1 DC?
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Jay_Jay70Commented:
i would still run the authorative restore in a single DC environment, only so that all the flags are correctly set on the objects...basically the background on it is, if you have multiple DC's, and you delete an OU on one, its marked for deletion for the entire domain...with a normal restore, you restore the items, but another DC may still have the objects marked for deletion and they dissapear again...

With an authorative restore, the flag are reset and that object becomes authorative....so it is then replicated back to all additional DC's....

In a single environment, as mentioned above by toniur, its not as much as an issue as there are no replication parthers, still, i would prefer to see everything set in stone initially from the restore, though i may just be a little over the top and paranoid

And yes, if you have hardware, a second DC would be ideal...
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Toni UranjekConsultant/TrainerCommented:
Technically, you should perform authoritative restore. And yes, you should have two domain controllers.
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wuitsungAuthor Commented:
Ok. Thank you very much. I don't know if you have experience on exchange 2003 server. I ever tried to run mailbox restore, but I found the mail after the back still there after restore. And I only have 1 DC in my domain. So I am wondering if I must still run authoritative restore.
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Jay_Jay70Commented:
completely different technologies - yes, plenty of experience with exchange, but you are looking at too Very different things here :) - AD objects - stick with Authorative
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wuitsungAuthor Commented:
Thank you very much. But exchange also rely on Active directory as far as I know.....
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Jay_Jay70Commented:
of course, but it relies on it for security and integration, the restoration os mailboxes is completely in the exchange server procedures and capabilities...the only thing that comes into play is linking the mailbox back to the AD account :)
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wuitsungAuthor Commented:
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