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EM 13c: Enterprise Manager Cloud Control Migration Frequently Asked Questions (Doc ID 2694552.1)

Last updated on JANUARY 06, 2021

Applies to:

Enterprise Manager Base Platform - Version and later
Information in this document applies to any platform.


This document is meant to address the Frequently Asked Questions surrounding OMS Migration.

Questions and Answers

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In this Document
Questions and Answers
 What is OMS Migration? 
 What is OMS Clone?
 What are the types of OMS Migration?
 When can OMS Clone be used?
 How to identify the shared directories for BIP?
 How to copy EMKey to Repository DB?
 How to take OMS backup?
 How often we need to back up the oms?
 Is it possible to migrate the OMS to another host running on another platform?
 Can the OMS be migrated to another host which runs on the same platform but a higher version of OS?
 Can the Admin server be migrated to another OMS in a multi OMS environment?
 How to migrate the additional OMS to another host in a multi OMS environment?
 If the hostname (or domain name) of the host is getting changed, do we need to migrate the OMS?
 If the IP Address of the host is getting changed, do we need to migrate the OMS?
 Does OMS Migration require any downtime?
 When to use "omsca new" and when to use "omsca recover"?
 Does OMS migration result in any data loss like jobs, metrics, metric extenstions, incident rules, etc?
 How to migrate the OMS if the Weblogic/Nodemanager/Agent registration passwords are unknown?
 How to clone the OMS?
 How to Migrate EM from one Host to another host with the same Hostname?
 How to Migrate EM from one Host to another host with a different Hostname?
 Is it possible to perform an upgrade along with migration (like 2-system upgrade)?
 How to perform Cross-Platform OEM Migration to Windows OS?

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