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EM 13c, EM 12c: Understanding Database Discovery and Methods Of Discovery in Enterprise Manager Cloud Control (Doc ID 1400463.1)

Last updated on APRIL 25, 2023

Applies to:

Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


This document is to discuss the different methods of discovering a Database in Enterprise Manager (EM) Cloud Control, including relevant background information and required prerequisites.

If you would like to discuss any issues with Database Discovery in EM Cloud Control or read what other EM users are experiencing, please feel free to update or monitor the EM MOS Communities.



It is intended for EM Administrators who are familiar with the previous versions of Enterprise Manager.  This article applies to EM 13c and 12c Cloud Control.


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In this Document
 A) Background Information
 Discovery Concepts
 Plug-in Revisions
 Self Update
 B) Prerequisites for database target discovery
 1) An agent must be installed and running on the machine where the database target resides.
 2) The database plug-in which exists on the OMS must support the version of the database to be discovered
 C) Getting the Agent
 D) Discovering the Database (4 different ways to discover the database)
 1) Database Discovery using 'Guided Process'
 2) Database Discovery using Manual Discovery
 3) Database Discovery using Automatic Discovery of Database Targets
 Where to find the automatically discovered Database Targets
 How to run "Run Discovery Now"
 How to Promote the Database
 How to configure the Auto Discovery Time Period
 Has the database been automatically discovered?
 4) Database Discovery via EMCLI
 E) Discovery Algorithm
 F) Troubleshooting Discovery Issues
 Online Documentation References

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