Hi All, With SL4, we used the the following procedure (for example) to create a kickstart boot CD from the first SL4 installation disk. Our kickstart file installs from our local mirror via http. mount -o loop /tmp/SL.43.050806.i386.disc1.iso /mnt/tmp mkdir /tmp/SL43 cp -r /mnt/tmp/isolinux /tmp/SL43 cd /tmp/SL43 cp /tmp/ks.cfg isolinux/ks.cfg edit the isolinux.cfg file to automatically start the kickstart installation. change timeout 600 to timeout 1 add ks=cdrom:/ks.cfg to the end of the "append" line of the first "label linux" section mkisofs -o /tmp/SL43.iso -b isolinux.bin -c boot.cat -no-emul-boot - boot-load-size 4 -boot-info-table -R -J -v -T isolinux/ When we do the same procedure with SL5, we get the following error: "The Scientific Linux installation tree in that directory does not seem to match your boot media." We get the same error regardless of which SL mirror we use. However, we can install from our local mirror by using "linux askmethod" and the normal SL5 installation CD. Any suggestions would be greatly appreciated. Many thanks, Devin ------ Devin Bougie Laboratory for Elementary-Particle Physics [log in to unmask]