Microsoft Windows NT 4.0/4.0 SP1/4.0 SP2/4.0 SP3 - Denial of Service Duplicate Hostname
source: https://www.securityfocus.com/bid/298/info NT Workstations and Servers must have unique hostnames if they reside on the same network. Should an NT host attempt to use an existing hostname, the second server with the new duplicate name will fail to start its workstation and server services...