Did you follow the steps in this article
216498 HOW TO: Remove Data in Active Directory After an Unsuccessful Domain
http://support.microsoft.com/?id=216498
Other good references
332199 Using the DCPROMO /FORCEREMOVAL Command to Force the Demotion of
Active
http://support.microsoft.com/?id=332199
230306 HOW TO: Remove Orphaned Domains from Active Directory
http://support.microsoft.com/?id=230306
--
Richard McCall [MSFT]
"This posting is provided "AS IS" with no warranties, and confers no
rights."
"Bassel" <(E-Mail Removed)> wrote in message
news:0bc001c3d9c0$0c4088d0$(E-Mail Removed)...
> Hi,
>
> After I failed with demoting the domain controller in
> windows 2000 using dcpromo wizard, I tried to remove the
> domain controller in both ways ntdsutil (metadata cleanup)
> and ADSIEdit.
>
> The errors I received In ntdsutil is :
>
> "DsRemoveDomainW-Error 0x2162."
>
> and in ADSIEdit is :
>
> "The requested delete operation could not be performed"
>
> Thank you for your reply,
>
>