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12c Cloud Control: The 'Management Services And Repository' Target is Shown as Down in the Console Due to ORA-12537 Error (Doc ID 1607520.1)

Last updated on NOVEMBER 24, 2019

Applies to:

Enterprise Manager Base Platform - Version and later
Information in this document applies to any platform.


Repository for a 12c OMS is configured in a Database on 2-node RAC.

The Management Services and Repository target is shown as down in the Console:

The Management Services and Repository target (oracle_emrep) target is monitored by the Agent on the OMS machine. Verifying the status of this target at the Agent side, shows:

./emctl status agent target "Management Services and Repository",oracle_emrep
Oracle Enterprise Manager Cloud Control 12c Release 3  
Copyright (c) 1996, 2013 Oracle Corporation.  All rights reserved.
Target Name : Management Services and Repository
Target Type : oracle_emrep
Current severity state
Metric        Column name             Key             State           Timestamp
Response      Status                  n/a             CRITICAL        Tue Dec 03 10:27:37 GMT+00:00 2013

Agent is Running and Ready


-  The Agent uses script to evaluate the status. Enable DEBUG level perl tracing by setting the Agent parameter:


   and reload the Agent:

cd <AGENT_HOME>/bin
emctl reload agent     

-  The <agent_inst>/sysman/log/emagent_perl.trc reports: Mon Dec 2 20:37:37 2013: ERROR: call for sending email notification by /u02/app/oracle/product/12.1.0/agent/plugins/oracle.sysman.emrep.agent.plugin_12., Message:Problem:
 Could not connect to Enterprise Manager Repository database. ORA-12537: TNS:connection closed (DBD ERROR: OCIServerAttach), Subject:Severe Oracle Enterprise Manager problem


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