Always make sure you have enough space on the target machine you are installing to.
Always best to verify out of the box before adding in External Database and Security configurations.
Please open a new case with CA Support if cannot verify with these documentation and these instructions.
When doing an installation that is distributed, put hostname and IP addresses into the hosts file so your computer does not have to ask a DNS server to translate the domain name into an IP number. This speeds up access to the host site you want to see because your computer no longer has to query other systems on the Internet for the address translation.**