My Oracle Support Banner

Trying To Connect Using Discoverer Plus/Viewer 11g To EBS Database Get Connection Error - Attempt 1. CORBA protocol : Failed to Contact to OPMN (Doc ID 2134913.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Discoverer - Version and later
Information in this document applies to any platform.


While trying to connect using Discoverer Plus Or Viewer 11g to EBS R12 database, getting following error



 There were multiple instances of Domains and Oracle Instances were installed on the Discoverer Server machine.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.