Unable to unauthorize DHCP server

Hello, I am trying to unauthorize a DHCP server that has been decomissioned.
I try to use the unauthorize command, but I always puts out an error stating
'There is no such object on this server'. I have also tried netsh, doesn't
work either. I have tried deleting the entry for the old server from DNS,
still doesn't get rid of the entry in the Manage authorized servers window.
I have tried ADSI edit. No luck. It would be nice to find out where the
DHCP snapin reads this information from some I can delete it. I have even
deleted the files in /windows/system32/dhcp directory. Didn't work. How do
I clean this up?
--
BobL

The information is stored in the configuration container. The following
article discusses how to un-authorise a DHCP server:
-- http://www.msresource.net/content/view/43/47/

--
Paul Williams
Microsoft MVP - Windows Server - Directory Services
http://www.msresource.net | http://forums.msresource.net

Paul,

Hmmm, I tried and the suggestions on www.msresource.net did not work. The
configuration container showed one DHCP server and I did as instructed using
ADSI. It still appears in the 'Manage Authorized Servers' selection in the
DHCP snapin. Any other suggestions?

Thanks.

--
BobL


"Paul Williams [MVP]" wrote:

> The information is stored in the configuration container. The following
> article discusses how to un-authorise a DHCP server:
> -- http://www.msresource.net/content/view/43/47/
>
> --
> Paul Williams
> Microsoft MVP - Windows Server - Directory Services
> http://www.msresource.net | http://forums.msresource.net
>
>
>

Which version of Windows are you running and how many DCs do you have?

If you have multiple DCs, allow for replication. You should also allow for
the DHCP server to 'poll' the directory. Or you can speed things up by
restarting the DHCP server service.

--
Paul Williams
Microsoft MVP - Windows Server - Directory Services
http://www.msresource.net | http://forums.msresource.net

Paul,

I figured out the issue. I decided to remove DHCP from the DC and use ADSI
edit to see what was left. In the Configuration container for Network there
was a remaining entry for dhcpRoot. I opened that up and one of the
variables in that still had the entries for the decommisioned DHCP servers.
I edited the property to remove the references, reinstalled DHCP and it came
up properly without the old DHCP servers in the 'Manage Authorized Servers'
window. Thanks for the tip about using ADSI. Hunting through it gave me
the answer.
--
BobL


"Paul Williams [MVP]" wrote:

> Which version of Windows are you running and how many DCs do you have?
>
> If you have multiple DCs, allow for replication. You should also allow for
> the DHCP server to 'poll' the directory. Or you can speed things up by
> restarting the DHCP server service.
>
> --
> Paul Williams
> Microsoft MVP - Windows Server - Directory Services
> http://www.msresource.net | http://forums.msresource.net
>
>
>

Glad you got it sorted! They seemed to have changed the behaviour between
2000 and 2003. Once uses an object for each instance. The other uses a
multi-valued attribute.

--
Paul Williams
Microsoft MVP - Windows Server - Directory Services
http://www.msresource.net | http://forums.msresource.net