This article describes the procedure of removing failed not restorable DC controller from the forest.
You should use this procedure ONLY if you are sure that you are deleting a DC that will never be available again.
Procede with your own risk...
Caution: Using the Ntdsutil utility incorrectly may result in partial or complete loss of Active Directory functionality.
Metadata cleanup using ntdsutil.exe:
Start->Run->cmd
#> ntdsutil
ntdsutil: metadata cleanup
metadata cleanup:
>>
metadata cleanup: connections
server connections:
>>
server connections: connect to server YourSRV
Binding to YourSRV ...
Connected to YourSRV using credentials of locally logged on user.
server connections:
>>
server connections: q
metadata cleanup:
>>
metadata cleanup: Select operation target
select operation target:
>>
select operation target: list domains
Found 1 domain(s)
0 - DC=domain,DC=local
select operation target:
>> select the opropriate number and hit enter >>
select operation target: Select domain 0
No current site
Domain - DC=domain,DC=local
No current server
No current Naming Context
select operation target:
>>
select operation target: List sites
Found 1 site(s)
0 - CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
select operation target:
>> select the opropriate number and hit enter >>
select operation target: Select site 0
Site - CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
Domain - DC=domain,DC=local
No current server
No current Naming Context
select operation target:
>>
select operation target: List servers in site
Found 2 server(s)
0 - CN=SERVER1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
1 - CN=SERVER2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
select operation target:
>> Select the server you would like to delete >>
select operation target: Select server 0
Site - CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=dpetri,DC=net
Domain - DC=dpetri,DC=net
Server - CN=SERVER2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
DSA object - CN=NTDS Settings,CN=SERVER2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local
DNS host name - server2.domain.local
Computer object - CN=SERVER2,OU=Domain Controllers,DC=domain,DC=local
No current Naming Context
select operation target:
>>
select operation target: q
metadata cleanup:
>>!!!!! procedue to deletion procedure !!!!!!!!!!!!!>>
type -> remove selected server
>>>>>>>
At this poit you are facing a warning message waiting for confirmation....
If a server you are removing have had any FSMO roles on it, the roles are going to be automaticaly transfered to the active directory controller.