EM 12c: Accessing ASM Target in Enterprise Manager 12c Cloud Control Gives Message: ERROR Connection Failure May Be Due To A Slow Network - Hostname IP Resolution (Doc ID 2040948.1)

Last updated on NOVEMBER 17, 2019

Applies to:

Symptoms

The two node cluster used in this example:  <node1> and <node2>

Agent status is as follows on each node:

oracle@<node1>:agent12c:/u01/app/11.2.0.4/grid/dbs$ emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 3
Copyright (c) 1996, 2013 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 12.1.0.3.0
OMS Version : 12.1.0.3.0
Protocol Version : 12.1.0.1.0
Agent Home : /u01/app/oracle/product/12.1.0/agent_inst
Agent Binaries : /u01/app/oracle/product/12.1.0/core/12.1.0.3.0


oracle@<node2>.prd:agent12c:/u01/app/11.2.0.4/grid/dbs$ emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 3
Copyright (c) 1996, 2013 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 12.1.0.3.0
OMS Version : 12.1.0.3.0
Protocol Version : 12.1.0.1.0
Agent Home : /u01/app/oracle/product/12.1.0/agent_inst
Agent Binaries : /u01/app/oracle/product/12.1.0/core/12.1.0.3.0

Any access of the ASM target page in EM 12c results in this message in the console display:

ERROR
-----------------------
Failed to connect to the ASM: Connection Failure may be due to a slow network, or to the presence of an intervening firewall

Changes

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.