Target Database Status Down After DB Upgraded From 11.2.0.4 to 12.2

(Doc ID 2418870.1)

Last updated on JULY 03, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.5.0 and later
Information in this document applies to any platform.

Symptoms

EM shows target database status  down after upgraded the target database from 11.2.0.4 to 12.2

Cause

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