Multiple DHCP entries in Active Directory


M

michael0501

In the process of upgrading my domain to Windows Server 2003, I have
added 2 Win2K3 DCs to my 2000 domain and have installed DHCP on the 2
new 2K3 servers as well (the 2000 servers will ultimately be
decommissioned). I tried authorizing the 2003 server and deauthorizing
the 2000 server via the DHCP MMC, but the 2K3 box was still not handing
out IPs. So I used netsh dhcp add server <ServerDNS> <ServerIP> to add
the 2K3 server. Somehow it has been added to the directory twice. netsh
dhcp show server lists the same server, dns name, and IP address twice.
So if I try to manipulate it either via the MMC or via netsh, it
reports either that the server already exists if i try to add it via
netsh, or that the object does not exist if I try to unauthorize it in
the MMC. Is there any way for me to delete these entries from AD?
Perhaps ADSIEdit?

Thanks,

MD
 
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T

Tanu Mutreja [MSFT]

Sorry for the typo..

In Active Directory, Authorized DHCP Server entries lie under
"CN=NetServices,CN=Services,CN=Configuration,<AD_ROOT_SUFFIX>". RDN order
got reversed in my previous response.

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Please do not send e-mail directly to this alias. This alias is for
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Tanu Mutreja said:
In Active Directory, Authorized DHCP Server entries lie under
"CN=Configuration,CN=Services,CN=NetServices,<AD_ROOT_SUFFIX>". However,
editing these entries needs extra bit of caution.

The KB article @
http://support.microsoft.com/default.aspx?scid=kb;[LN];Q306925, which
describes a somewhat similar problem, mentions the steps required to
re-authorize a DHCP Server using ADSIEdit. You may want to check those
steps from this article.

-Tanu Mutreja [MSFT]

In the process of upgrading my domain to Windows Server 2003, I have
added 2 Win2K3 DCs to my 2000 domain and have installed DHCP on the 2
new 2K3 servers as well (the 2000 servers will ultimately be
decommissioned). I tried authorizing the 2003 server and deauthorizing
the 2000 server via the DHCP MMC, but the 2K3 box was still not handing
out IPs. So I used netsh dhcp add server <ServerDNS> <ServerIP> to add
the 2K3 server. Somehow it has been added to the directory twice. netsh
dhcp show server lists the same server, dns name, and IP address twice.
So if I try to manipulate it either via the MMC or via netsh, it
reports either that the server already exists if i try to add it via
netsh, or that the object does not exist if I try to unauthorize it in
the MMC. Is there any way for me to delete these entries from AD?
Perhaps ADSIEdit?

Thanks,

MD
 

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