Boot multi client

[ThomasNguyen]

Hi All
I try to build a system boot 20 client's by windows server 2008 r2
but it cannot connect iscsi target (iSCSITarget MCR 3.3)
+ IP server:192.168.2.200
+ iscsi target IQN : iqn.1991-05.com.microsoft:win-u0tje9eaisj-iscsiserver-target
This is my script

#!ipxe
dhcp net0
set initiator-iqn 1
set root-path iscsi:192.168.2.200::::iqn.1991-05.com.microsoft:win-u0tje9eaisj-iscsiserver-target
set keep-san 1

This video client boot
http://youtu.be/JDvEQdOBNvs

i don't what's it please help me