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We are in plans to upgrade the EM from 13.3 to 13.4.
Can any one suggest the pre-reqs document for the same?
Please find the document below:
EM 13c: Checklist for Upgrading Enterprise Manager Cloud Control from Version 13.2/13.3 to 13.4 (Doc ID 2625646.1)
This document covers almost all the needed pre-reqs along with the suggestions which you need to take care.
Thanks for the document.
Thought this will help you hence shared , Kindly review :
13.4 OMS Download link :
13.4 OMS Upgrade link :
How to check Certification :
Accessing the Enterprise Manager Certification Matrix
To access the Enterprise Manager certification matrix, follow these steps:
Log in to My Oracle Support.
Click the Certifications tab.
On the Certifications page, in the Certification Search region, from the Product list, select one of the following:
Enterprise Manager Base Platform - OMS, to view the certification for OMS.
Enterprise Manager Base Platform - Agent, to view the certification for Management Agent.
From the Release list, select 18.104.22.168.0, and click Search.
===> CHECK for SUPPORTED OS RELEASES FOR OMS AS WELL AS TARGET SERVERS.
Support Policies :
Lifetime Support and Support Policies - Oracle Enterprise Manager Overview (Doc ID 1595197.1)
EM 13.4: FAQ's on Upgrading OMS and Additional OMS (Doc ID 2691601.1)