Hi, yesteday i had the same problem as you report, but today I tried to boot with the SAME ISO I used yesterday and it works perfectly. Maybe is not an ISO problem, I think it can be a serevr problem from RedHat site.
Great, thank you, it works for me. It has MBR. Had some failed boots as some LVM monitoring service couldn't be started, but it works (still just legacy mode, doesn't work in UEFI).
I had to configure the Mic in the first screen where it allows me to setup the keyboard/etc...
I used new ISO for system checking. We are still facing issues with new ISO. OLD ISO image is working fine