In order to play LAN games of Master of Orion II v1.40 on Windows XP Pro, you will need to follow the regular Installation on Windows XP instructions. NWLINK IPX/SPX/NetBIOS network protocal will also need to be installed.
After the IPX protocal has been installed, you will need to edit the c:\windows\system32\autoexec2.nt file and change as shown below. The lines in bold will need to be added and the lines referring to Kali should be removed to avoid conflict.
REM Load DOS mode CD-ROM support
REM Load DOS mode DPMI support
REM Set parameters for Sound Blaster Emulation
SET BLASTER=A220 I5 D1 P330 T3
REM Load DOS mode IPX support