EM 12c: Accessing a Cluster Target in Enterprise Manager 12c Cloud Control gives Message: IO Error The Network Adapter could not establish the connection

(Doc ID 2037558.1)

Last updated on JUNE 11, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

Connecting to a cluster target homepage in Enterprise Manager (EM) 12c Cloud Control generates this console error:

Failed to connect to target database. Regions that fetch real-time data from target database will not be displayed. IO Error: The Network Adapter could not establish the connection

Changes

Cause

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