12c: ORA-28040 After Upgrade: No Matching Authentication Protocol
Last updated on NOVEMBER 09, 2017
Applies to:Oracle Net Services - Version 22.214.171.124 to 126.96.36.199.0 [Release 12.1 to 12.2]
Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 12.2]
Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 12.1]
Oracle Database - Standard Edition - Version 22.214.171.124 to 126.96.36.199 [Release 12.2]
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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