1)As per certification matrix Forms and Reports 18.104.22.168.0 is supported on Windows 2012.
So in order to install Forms and Reports you need to first install the Forms and Reports software binaries then need to run the config.sh command from %ORACLE_HOME%/bin.
No need to create any domain using the config.sh from Weblogic home.
2)Please see if the below prerequisites were met :-
. Assign Proper ip, hostname & domain name
. Entry of ip, host name & domain name in etc/hosts file
. Disable anti-virus if any
. Disable ipv6, a
. Disable Windows Firewall, Windows Update & Windows Management Instrumentation at Service level (services.msc)
. Create 2 folder "tmp" & "Java" for temp, jdk & jre installation. And set the path of installed jdk in Environment Variable
Sorry for coming back late. Was indulge with other stuffs so couldn't manage to be here. Anyways, regarding my issue it got solved by disabling the firewall. Firewall was enabled so after going for long ups and downs with various scenarios finally when i disabled the firewall and run the installation again it works.
Thanks for the assistance.