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13.2 Always-On Monitoring startup fails with Failed to find a Supported Cipher Suite (Doc ID 2439343.1)

Last updated on FEBRUARY 19, 2019

Applies to:

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


After installing Always-On Monitoring on Enterprise Manager Cloud Control  13.2.2 , the startup process fails indicating the process did not start.

emsctl status
Oracle Enterprise Manager Cloud Control 13c Release 2
Copyright (c) 2015, 2017, Oracle Corporation. All rights reserved.
Unable to contact Always-On Monitoring.
Always-On Monitoring process 16509 is not running.


And the emsctl.error.0 file shows the following:


[SEVERE]:03-08-2018 09:40:06: Thread[main,5,main]:Thread[main,5,main]:Error executing Always-On Monitoring command:
oracle.sysman.ems.cli.EmsCliException: Error:
at oracle.sysman.ems.ctl.EmsCtl.processCommand(
at oracle.sysman.ems.cli.EmsCli.process(
at oracle.sysman.ems.ctl.EmsCtl.main(
Caused by: oracle.sysman.ems.http.CommException: Failed to initialize SSL context
at oracle.sysman.ems.ctl.EmsCtl.setupHttpContext(
at oracle.sysman.ems.ctl.EmsCtl.processCommand(
... 2 more
Caused by: java.lang.Exception: Failed to find a supported cipher suite in [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_128_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA]
at oracle.sysman.ems.http.SSLInit.intersect(
at oracle.sysman.ems.http.SSLInit.computeCipherSuites(
at oracle.sysman.ems.http.SSLInit.configure(
at oracle.sysman.ems.ctl.EmsCtl.setupHttpContext(



- There are no Security changes at the Oracle Management Server or Agents.

- The Enterprise Manager installation is default with out of the box Single Signed on Certificates and No Stronger ciphers have been implemented.



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