Removing a domain controller from the domain...

Hi,

We have just tried to upgrade one of our domain controllers which had no FSMO roles from windows 2000 to windows 2003. It was just a RIS server.
We have 4 windows 2000 domain controllers, where the server in question is one of them.
The problem is that when it was done upgrading to windows 2003 it rebooted, and it keeps rebooting, it comes to the point where it tries to boot from C drive then it just reboots.
So we think that if we can't save it by upgrading the system ROMpaq and upgrading the firmware on the SCSI controller, we would reinstall it from scratch to a windows 2003 member server, but then we would have to remove it from the windows 2000 domain.

So how do we remove the server from the domain ?
Can we give the server the same name again ?
When we get the server online again can we run dcpromo so it becomes a 2003 domain controller (adprep /forestprep and /domainprep has been run) ?

Thank you in adcance.

Regards

Rasmus
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SalehdConnect With a Mentor Commented:
See this:
How to remove data in Active Directory after an unsuccessful domain controller demotion:
http://support.microsoft.com/default.aspx?scid=kb;en-us;216498 
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