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EM 13c: How to Migrate OMS from One Host to Another Host & Retaining the Same Hostname (Doc ID 2694464.1)

Last updated on NOVEMBER 10, 2022

Applies to:

Enterprise Manager Base Platform - Version 13.3.0.0.0 and later
Information in this document applies to any platform.

Purpose

This document contains the procedure to migrate the OMS from one host to another (Same platform) and retaining the Original hostname

Scope

This document can be followed for Migrating the OMS (Primary OMS in case of Multi OMS) from one host to another and retaining the original hostname

Details

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In this Document
Purpose
Scope
Details
 High-Level Steps
 Downtime calculation
 Repository Database Migration
 Preparing for Migration
 1. Backup the Source OMS
 2. Getting the list of patches and plugins on the Source OMS
 3. Copying EMKey to the repository DB
 4. Identify the ports used by the Source OMS
 5. Validating the Target OMS Host for Migration
 6. Installing EM Software Only on the target Host
 7. Installing the plugins on the target OMS
 8. Apply the patch on the Target OMS
 Migration Activity
 9. Transfer the backup to the target OMS
 10. Stop Source OMS
 11. Migrate the OMS
 12. Start the OMS
 Post Migration Steps
 13. Configure & Resync the Central Agent
References

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