12c: ORA-28040 After Upgrade: No Matching Authentication Protocol

(Doc ID 1957995.1)

Last updated on MARCH 28, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Oracle Database - Standard Edition - Version to [Release 12.2]
Oracle Net Services - Version to [Release 12.1 to 12.2]
Oracle Database - Enterprise Edition - Version to [Release 12.2]
Business Intelligence Suite Enterprise Edition - Version to [Release 11g]
Information in this document applies to any platform.


Following an upgrade to the version 12c database, the following errors are thrown when attempting to connect from remote

ORA-28040: No matching authentication protocol exception


 This is a new installation of the version 12 database.


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