Could not verify connection information that you provided. Please ensure that Oracle is running on this box, as well as the correct info was entered!

"Could not verify connection information that you provided. Please ensure that Oracle is running on this box, as well as the correct info was entered!"

Platform Pack Installation Error

This will normally happen on Unix/Linux flavors while trying to establish a connection to oracle database.
This can happen if ORACLE_HOME environment variable is not/properly set for oracle user.
After setting the ORACLE_HOME in .bash_profile[for bash] of oracle user [/home/oracle/.bash_profile], issue is resolved.

Note:There can be other reasons as well