Hi, I encounter the same issue with script to install esx4.0, but I ignore the error and add follwing command to the ks.conf.
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vim ks.conf
accepteula
keyboard us
auth --enablemd5 --enableshadow
install url
reboot
rootpw --iscrypted $1$x/DuHjcR$m0It0maJ6M9nW
timezone Asia/Shanghai
network --addvmportgroup=true --device=vmnic0 --bootproto=dhcp
#Partitioning Information
clearpart --all --initlabel --firstdisk --overwritevmfs
part '/boot' --fstype=ext3 --size=1100 --onfirstdisk
part 'none' --fstype=vmkcore --size=110 --onfirstdisk
part 'Storage1' --fstype=vmfs3 --size=8604 --grow --onfirstdisk
virtualdisk 'esxconsole' --size=7604 --onvmfs='Storage1'
part 'swap' --fstype=swap --size=600 --onvirtualdisk='esxconsole'
part '/var/log' --fstype=ext3 --size=2000 --onvirtualdisk='esxconsole'
part '/' --fstype=ext3 --size=5000 --grow --onvirtualdisk='esxconsole'
***
%post --interpreter=bash
echo "### Configuring ESX Firewall to allow all ports incoming and outgoing traffic" >> /root/ri.log
esxcfg-firewall --AllowIncoming >> /root/ri.log
esxcfg-firewall --AllowOutgoing >> /root/ri.log
echo "" >> /root/ri.log
echo "### Configuring sshd to allow root login - see /etc/ssh/sshd_config" >> /root/ri.log
sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config
cat /etc/ssh/sshd_config |grep PermitRootLogin >> /root/ri.log
echo "" >> /root/ri.log
echo "Changing MAC of vswif0 to match that of installation nic" >> /root/ri.log ########## change MAC########
%post --nochroot
cp /mnt/sysimage/bin/awk /sbin
sed -i '/^MACADDR/d' /mnt/sysimage/etc/sysconfig/network-scripts/ifcfg-vswif0
echo "MACADDR=`ifconfig vmnic0 |grep HWaddr |awk '{print $5}'`" >> /mnt/sysimage/etc/sysconfig/network-scripts/ifcfg-vswif0
cat /mnt/sysimage/etc/sysconfig/network-scripts/ifcfg-vswif0 |grep MACADDR >> /mnt/sysimage/root/ri.log
#ntp settings
excfg-firewall --disable
chkconfig ntpd on
cat > /etc/ntp.conf <<EOF
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery
server ******
In /tftp/pxelinux/vm file
label 10
MENU LABEL ^10) VMWare 4.0 Remote Install
kernel /pxelinux/vm/vm40/vmlinuz
append initrd=/pxelinux/vm/vm40/initrd.img vmkopts=debugLogToSerial:1 mem=512M ksdevice=vmnic0 ks=nfs:192.168.1.1:/install/vmware/4.0/kickstart/ks.cfg quiet
