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Computer name resolves to wrong IP address

Hello all,
This issue has been driving me nuts. I recently added a new computer to our domain. I reused the computer name of the computer it was replacing. Before adding the new computer to the domain, I removed the old PC from the domain but I did not delete the computer account. I then changed the name of the old pc and added it to the domain.

The problem is the old computer name is till resolving to the ip address of the old computer even though the old computer has a new name. Here's what I have done so far with no resolution:

1. deleted the entry in DNS reverse lookup zone that listed the old ip address with the old PC name
2. added new PTR records for "new ip address -> old pc name" "old ip address -> new pc name"
3. ipconfig /flushdns on the server
4. ran dnscmd . /StartScavenging on the server and setup aging/scavenging (7 days/7 days).

We have a single server running 2003 SBS
As far as I can tell, WINS is not being used
2003 SBS is handling DHCP

On the new pc, I see this error in th event log:

The system failed to register host (A) resource records (RRs) for network adapter
with settings:

   Adapter Name : {ECD3EC5F-0B92-42C4-BFA2-70DBF4B01614}
   Host Name : IBM-DMAC
   Primary Domain Suffix : root.local
   DNS server list :
   Sent update to server :
   IP Address(es) :

 The reason the system could not register these RRs was because the DNS server failed the update request. The most likely cause of this is that the authoritative DNS server required to process this update request has a lock in place on the zone, probably because a zone transfer is in progress.

 You can manually retry DNS registration of the network adapter and its settings by typing "ipconfig /registerdns" at the command prompt. If problems still persist, contact your DNS server or network systems administrator.

I ran ipconfig /registerdns on the new PC and verified that was checked on DNS tab of the NIC card.

I'm stumped.

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Rob Williams

8/22/2022 - Mon