EM 13c: Connection to the Target Database Fails with Error "IO Error: The Network Adapter could not establish connection"
(Doc ID 2502523.1)
Last updated on JULY 01, 2020
Applies to:Enterprise Manager for Oracle Database - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
From EM Console, Connecting to the Target database by OMS fails with the following error:
Database target > Performance > Top Activity
Enter the Credentials and click on Login. This gives the error: "IO Error: The Network Adapter could not establish connection"
Database target status shows as UP and the "Test Connection" works always from "Monitoring Configuration" page.
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