Seth Morris
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Demoted DC still a part of DNS configuration
I've been having strange DNS issues, and poking around through the registry of the new DC, I found entries of the old DC that still seem relevant to current settings.
It is in HKLM\System\CurrentControl Set\Servic es\Microso ft\Windows NT\Current Version\DN S Server\Zones\18.168.192.in -addr.arpa
This server 192.168.18.12 is no longer carrying the DNS role, or AD.
I came to this by way of BPA , in which this server was listed in the servers to be Notified in the "Notify" options.
Either related or unrelated, my DHCP Bindings list is empty for some reason, but appears to be handing out addresses normally.
Is this registry entry significant?
Is the DHCP binding issue related and fixable? (The DC with DHCP has a static address...)
It is in HKLM\System\CurrentControl
This server 192.168.18.12 is no longer carrying the DNS role, or AD.
I came to this by way of BPA , in which this server was listed in the servers to be Notified in the "Notify" options.
Either related or unrelated, my DHCP Bindings list is empty for some reason, but appears to be handing out addresses normally.
Is this registry entry significant?
Is the DHCP binding issue related and fixable? (The DC with DHCP has a static address...)
How was server decommissioned? Did you try metadata cleanup?
ASKER
I did yes. From all appearances it was a clean demotion. I do not see any stale info in ntdsutil. FSMO roles are all hosted by new DC properly.
The only clue I have is that I believe I had set one or the other servers as a Secondary DNS instead of AD Integrated. Regardless, the current DC's with DNS are both AD Integrated zones
The only clue I have is that I believe I had set one or the other servers as a Secondary DNS instead of AD Integrated. Regardless, the current DC's with DNS are both AD Integrated zones
Do any of your existing DNS zones currently have zone transfers configured?
ASKER
Indeed, I have both DC's hosting DNS set for Zone transfers only to servers in Name Servers, with correct servers listed. I have poured through _msdcs and forward/reverse zones for any wrong records.
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No further response. Removing the zone transfer configuration should remove the references.