redhat rescue iso image
 

Hi,
I am trying to create a centralised rescue image server for all our RHEL V 3 Enterprise servers. I have created a bootable iso image using the contents of the /isolinux directory of the first Install CD.
When I boot from it all looks normal. I select the Language, etc and then I select the IP tyep whether statis or form dhcp anf then I select the tyep of resuce image as being form http.
I enter the URL and the location of the images. The install starts with something like "" Installing ../base/netstg2.img" I then get the message "The RedHat Enterprise Linux installation tree in that directory does not seem to match your boot media".
Does anyone have any idea what is happening?
regards,
Julian