EM 12c : 12.2 ASM / Database /Grid Infrastructure Targets are Shown as Down in the Console UI
(Doc ID 2276921.1)
Last updated on SEPTEMBER 05, 2018
Applies to:Enterprise Manager for Oracle Database - Version 126.96.36.199.0 to 188.8.131.52.0 [Release 12.1]
Information in this document applies to any platform.
Able to add 12.2 database successfully in 184.108.40.206 (or below) Enterprise Manager. Doing a test connection from the monitoring configuration page also works fine.
Once the database discovery is completed the database is shown as down from Enterprise Manager.
Issuing following command to validate the response metric shows:
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
0,UNKNOWN,Failed to connect: java.sql.SQLException: ORA-28040: No matching authentication protocol
Similar message would be shown for ASM instance and Cluster targets also.
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