OPMN port information is unavailable
We are upgrading 12.0.4 to 12.1.3 , as part of techstack upgrade , while applying 10.1.3.5 patchset , we are getting below error.
I am attempting a 10.1.3.5 ias upgrade on a devlopment instance
I have started the OUI for the upgrade, selected the correct 10.1.3
oracle home and then get a warning message window saying:
"OPMN port information is unavailable. The installer will use default
port information of {production host.domain:port}. If this default is
incorrect then the configuration assistant(s) will fail. If the install
fails while running the configuration assistants then once the install
is completed please rerun the failed configuration assistants supplying