When installing Oracle's OPAM on a linux environment, I came to realize that the document was stating that I needed to set ORACLE_HOME for OPAM, though it was already set for the other Oracle fusion middleware products, such as OIM,OIA,SOA,OID etc.
The steps required to resolve the issue when you receive the following error within OPAM 11gR2: 'A Privileged Account Manager Server Configuration error caused a connection failure'