to do a scripted OS install you will have to do the following.
STEP1
import the netboot.iso to the pxe server.
In tools then pxe config utility
Give the Preboot a name (i called it redhat_install)
Under Operating systems choose Linux and x64
Under Image Creation method choose "User Supplied"
Select the manual boot button
In the PXE boot files windows browse to the pxeboot folder select OK button select apply and ok in the pxe config utility. STEP 2
The file and folder structure should look like this: edit the file with notepad or another editor the default should have the following ========================================= default redhat label redhat kernel vmlinuz append initrd=initrd.img rw ramdisk_size=100000 ksdevice=eth0 ip=dhcp text ks=(ftp|http)://<ip|hostname>/centos/6 say"Installing redhat scripted OS install" ============================================ Save the default file STEP3: HTTP|FTP|NFS
STEP4: Boot the box you want to execute the scripted OS
5. After you are done I would make a backup of this folder.