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Problems Adding a member server to a doman

I have done a clean re-install of Server 2003 on an existing Server, after corruption of the operating system. The Server was a DC prior to failure replicated from another Operations master DC.
I logged on as the local administrator, set a fixed I.P. address and DNS server I.P. address same as before the failure. The I.P. address is reserved in the DHCP scope. I can browse the local network no problem and logon to shared network resources as    "domain-name\Administrator".

I have removed the Computer from AD Users and Computers and deleted the A record out of DNS plus the Reverse lookup PTR and did a ipconfig /flushdns for good measure.

I gave the rebuilt computer the same name and DNS suffix as before,  and attempted to rejoin the domain as "domain-name\Administrator". I get the error message:

The following error occurred attempting to join the domain "domain-name";
The specified user already exists.

Assistance with ths issue would be most appreciated.
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FillSee
Asked:
FillSee
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1 Solution
 
M0b1usCommented:
hello FillSee
try to rename the computer to other before join to domain
if still error again try to update the service pack

regards

M0b1us
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mass2612Commented:
Hi,

You might find that if you are attempting to use the same computer name that the AD database still contains references to the object that you can't see through ADU&C or DNS. This can occur if the DC was not dcpromo to demote it.

Check this lin out it may help.

http://www.petri.co.il/delete_failed_dcs_from_ad.htm
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mass2612Commented:
BTW using a different cmputer name as M0b1us suggests would work also.
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FillSeeAuthor Commented:
Thanks mass162, that did the trick. I had deleted the reference to the rebuilt computer under AD Computers but forgot about the Domain Controllers container. There was still a reference in AD under Domain Controllers and resetting it removed from the container. The link you gave me to Daniel Petri's article will come in handy I guess when I promote the rebuilt computer to DC again.
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mass2612Commented:
Good to hear. Thanks.
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