Typically if a protocol is no longer in use on a network then it would be unbound from the interface, both on servers and on clients.
A news server uses NNTP protocol (Network News Transfer Protocol).
To prevent the server to get overloaded
Contact your network administrator for assistance.
The File Transfer Protocol is a standard network protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client-server model architecture using separate control and data connections between the client and the server
DHCP Server (Dynamic Host Configuration Protocol)
Remote Desktop Protocol
Server manager
A network security plan A network risk analysis
The Server Message Block (SMB) Protocol is a network file sharing protocol, and as implemented in Microsoft Windows is known as Microsoft SMB Protocol.
server manager
If you are asking about IPX/SPX Novell protocol, you uninstall the protocol attached to the network device (NIC) by going to the Network settings, finding the adaptor, and removing the protocol.
To resolve a hostname, the DNS protocol is used, perhaps something is wrong with the DNS settings on your network.