# more /usr/openv/netbackup/log/user_ops/nbjlog/jbp.root.jnbSA.XXXXX.log

ServerInterface: Logon - java.net.SocketException: Network is unreachable
ServerInterface: Logon - Initial host: null, Current host:NBUServer, Firewall Env: true, MS Port:13722, VNETD: 13724, m_intPort:0, local port:0, range use: false
Can not connect to the NB-Java authentication service via VNETD on NBUServer on port 13724. Exception:

No firewall in place

# netstat -a | grep vnetd showed it is listening

tcp 0 0 *:vnetd *:* LISTEN

# more /etc/services | grep vnetd showed correct entries
vnetd          13724/tcp   # Veritas Network Utility
vnetd          13724/udp  # Veritas Network Utility

# more /etc/xinetd.d/vnetd showed correct entries

# Service vnetd for Netbackup
service vnetd
{
       socket_type        = stream
       protocol              = tcp
       wait                    = no
       user                   = root
       server                 = /usr/openv/bin/vnetd
       disable               = no
       instances           = UNLIMITED
       cps                    = 1000 1
}

# ifconfig -a revealed no ipaddress was set, once that was set, login to Java Administration Console was possible.