4321
NetBT
Error
The name "DomainName :1d" could not be registered on the Interface with IP address w.x.y.z. The machine with the IP address w.x.y.a did not allow the name to be claimed by this machine.
DomainName is the name of the Windows domain, w.x.y.z is the IP of the member server and w.z.y.a is the IP of the domain controller.