Enterprise Manager

Steps to remove OEM Agent

Recently I migrated all targets (Cluster, Databases, Instances, ASM, etc) and their jobs to a 13c OEM system. I had to clean up the targets from 12c OMS and remove the OEM agent. Here are the steps to properly delete/remove a monitored host and its targets from...

Install Oracle GoldenGate Plug-in on Oracle Enterprise Manager Cloud Control 13c

In this post, we will install and deploy Oracle GoldenGate Plug-in 13.4.1.0 on Oracle Enterprise Manager Cloud Control 13c Release 4. I have an Active-Active OMS 13c setup that is load-balanced via SLB. While the plug-in install is an online operation, the plug-in...

Figure out why a target status is down on Oracle OEM when it is not

This post is to understand how to find the root cause when a target status is down on Oracle OEM (Oracle Enterprise Manager) - when in fact it is up. What OEM reports Example here shows 4 ASM instances down...

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Removing Oracle Application Express (APEX) on 19c database fails

Oracle APEX Release 21.1.0 was released on May 12, 2021. My 19c Oracle Database came with Oracle...
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SQLs slow in 19c

Issue We patched our Oracle databases to 19.9 and this issue started. Some of...

Steps to remove OEM Agent

Recently I migrated all targets (Cluster, Databases, Instances, ASM, etc) and their jobs to a 13c OEM...

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