iSeries NetServer will not start and returns error code 3420
V5R2 5 – Start of the NetBIOS over TCP/IP failed with return code 3420. Our AS400 can see our network devices (ping them with ip or PC name) and also ping www.google.com Telnet is working fine.

Answer Question   |  December 15, 2008  9:58 AM
AS/400 networking, Error 3420, i5/OS NetServer, iSeries error messages, NetBIOS, NetServer, TCP/IP, V5R2