good answer, dcpromo is supposed to remove the dc. This is not always the case. If dcpromo doesn't completely remove then you can use (Ntdsutil.exe) (metadata cleanup)
The directory service maintains various metadata for each server in the forest. Normally, dc's are created by means of using the dcpromo and they are removed by using the same tool.
Promotion and demotion are designed to correctly clean up the appropriate metadata. In the directory, however, you might have domain controllers that were removed incorrectly. In this case, their metadata is not cleaned up.
I've used ntdsutil ("select operation target" and then selected site, domain, server to delete and naming context \ and "remove selected server". And the server has been removed.
I've enough a question:
in "select naming context", i've had:
0 - CN=Configuration,DC=my_domain,DC=fr
1 - DC=my_domain,DC=fr
2 - CN=Schema,CN=Configuration,DC=my_domain,DC=fr
I've choosen "2". Is it the right choice ?
I have a 2000 server that we promoted to one of three domain controllers. The dcpromo didn't go well, and now we can't demote it. I've seen the Microsft awnser using ntdsuil.exe, but it's got just enough warning messages in it that I'm leary of using it. This is no longer a production server, but I'm still wondering worse case scenario. Thanks.
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