Tags » Oem 12c

You Can Not Outsmart a SYSMAN Password Change

There are no circumstances where manually changing the passwords for the SYSMAN-named database accounts will end happily.  Never attempt to change the passwords for SYSMAN, SYSMAN_APM, SYSMAN_BIPLATFORM, SYSMAN_MDS, SYSMAN_OPSS, or SYSMAN_RO from within the database. 986 more words

OEM 12c

I'm Not Waiting - Collect my Metric Extensions Now!

We use OEM to populate other system management systems at our company by providing configuration and metric data of all kinds.  When we get requests that require data that OEM doesn’t collect out of the box, we build metric extensions. 487 more words

OEM 12c

Plugin versions on agent does not support target type oracle_pdb

Tried to add a CDB database with PDBS into 12c OEM, and got below errors.  Actually there is another CDB database of same cluster has been added onto OEM months ago. 58 more words

OEM 12c

How to Find Out Oracle Clusterware Cluster Name ?

The cluster name is case-insensitive, must be unique across your enterprise, must be at least one character long and no more than 15 characters in length, must be alphanumeric, cannot begin with a numeral, and may contain hyphens (-). 177 more words


Cluster Database Targets and Database System Targets are in Pending Status in Oracle Enterprise Manager 12c and 13c

There are a couple of newly added cluster databases targets and database system targets are in “PENDING” status, though all the cluster database instances are showing up.  551 more words

OEM 12c

Plugin versions on agent does not support target type rac_database

I wasn’t able to promote database targets after I applied the July bundle patch.  I quickly opened an SR and received the following excellent, if scary, advice.   700 more words

OEM 12c

How to Deinstall OEM Agent from Oracle Enterprise Manager 12C

Here are the detailed steps of de-installing an Oracle EM agent (

  1. Stop OEM agent first.
   $ emctl stop agent

2.  Decommission the agent from OEM: 1,586 more words

12c New Features