# Application Migration Service

[Console ](https://ap-northeast-1.console.aws.amazon.com/mgn/home?region=ap-northeast-1#/welcome)| [Document](https://docs.aws.amazon.com/mgn/latest/ug/what-is-application-migration-service.html) | [Steps-to-migrate](https://explore.skillbuilder.aws/learn/course/1727/play/77406/introduction-to-aws-application-migration-service;lp=1991) |

## Overview

<figure><img src="https://2259236002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fuh9xZDZ53qGqmMCM44PU%2Fuploads%2F7YS2agXxTRBEkPDvL1SI%2Fimage.png?alt=media&#x26;token=28456e5c-c953-4ead-a426-f015830b4b40" alt=""><figcaption><p>Rehost</p></figcaption></figure>

Lift-and-shift (rehost) migration to AWS:

* from on-premises to AWS
* from other cloud to AWS
* cross-region or AZ

### How it works?

<img src="https://a.b.cdn.console.awsstatic.com/a/v1/DO7CQQWA5LPKEYG6EDGGMPWJXPFTAY4WIJJOUX4HMJZNA6SY5W2A/public/images/1agent.png" alt="Application Migration Service agent" data-size="line"> **Install Agent**

Install AWS Replication Agent on your source servers (manual or unattended installation). No reboot required.

<img src="https://a.b.cdn.console.awsstatic.com/a/v1/DO7CQQWA5LPKEYG6EDGGMPWJXPFTAY4WIJJOUX4HMJZNA6SY5W2A/public/images/2replicate.png" alt="Source server replication" data-size="line"> **Replicate to AWS**

Application Migration Service automatically replicates entire servers, including operating system, applications, data, and configurations.

<img src="https://a.b.cdn.console.awsstatic.com/a/v1/DO7CQQWA5LPKEYG6EDGGMPWJXPFTAY4WIJJOUX4HMJZNA6SY5W2A/public/images/3test.png" alt="Testing the instance" data-size="line"> **Perform tests**

Use the Application Migration Service console to perform non-disruptive tests in AWS prior to initiating a cutover.

<img src="https://a.b.cdn.console.awsstatic.com/a/v1/DO7CQQWA5LPKEYG6EDGGMPWJXPFTAY4WIJJOUX4HMJZNA6SY5W2A/public/images/4cutover.png" alt="Completing cutover" data-size="line"> **Execute cutover**

When you are ready, use the Application Migration Service console to execute a successful cutover. Your servers are launched on AWS within minutes.\\

### Benefits

* Easiest and quickest way to migrate your server.
* Minimal discruption
* Any app from any source. No need to do any application configuration after migration.

### Cons

* Need to install an Agent on a different server (for migration purpose) on-premises.&#x20;
* AWS do not maintain, support the OS/OS image. If the application go EOS, it's customer's responsibility

## Workflow

### 1. Creating IAM user

### 2. Accessing the MGN console

## Pricing

* Free for the 1st 90 days / server.
* After free period, $0.042
