NWCONFIG-X-428: Warning: You do not have LAN drivers loaded on both server computers. You need to load the proper LAN drivers to complete the installation.
Source: NWCONFIG.NLM
Explanation: The server communicates with the network card through a LAN driver. Installation could continue, but communication with other servers will not exist until a LAN driver is loaded.
Action: Load the correct LAN driver on both computers.