error 4321 NetBT

Giganews Newsgroups
Subject: error 4321 NetBT
Posted by:  Tomppa (Tomp…
Date: Mon, 27 Mar 2006

Every 1-5 minutes error 4321 NetBT shows in the system log

The name "OURDOMAINNAME :1d" could not be registered on the Interface with
IP address The machine with the IP address did
not allow the name to be claimed by this machine

This happends on one of our DC:s (also DNS server)
The other DC in our domain is (also DNS server) has no errors
Our Exchange server have error 4321 now and then (a few times every month)

All 3 server are running 2003 SP1

What could cause this error and how do I fix it?