AWS to Azure Migration: What You Need to Know

Specifics of AWS to Azure migration. Migrate your data and extend the capabilities of existing enterprise applications with the Microsoft Azure platform.


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Cloud technologies have firmly entered the daily life of technology users. For large and medium-sized businesses, they have become an integral part of information and technological processes.

In recent years, the ability to use cloud infrastructures has become more and more firmly entrenched in the minds of owners of corporate business solutions (IT solutions). Even if an enterprise does not rely heavily on computing in public clouds, the use of cloud solutions in one form or another is an integral part of the strategy and infrastructure development plans of most enterprises due to their availability, cost efficiency, and a sufficient level of reliability. For businesses that are about to embark on this journey, the following questions become relevant: “Which cloud platform will be the most cost-effective for my tasks?” and “How to plan a migration from one cloud to another?”

In this article, we will guide you through AWS to Azure migration, and other important points for this process. Additionally, we will shed light on the pivotal role played by a proficient cloud migration service provider in ensuring a smooth and strategic transition and optimizing operational efficiency.

AWS to Azure Migration: What You Need to Know

Is AWS Better Than Azure?

The Elastic Compute Cloud (EC2) in Amazon Web Services is the central computing service. EC2 has become a prime synonym for scalable on-demand computing. In AWS, you can use Virtual Private Cloud to create a VPN with private IP ranges, routing table, subnet, and network gateways. Also, there is a Route 53 service for implementing a web-based DNS service.

The base of Microsoft Azure computing is high-performance Virtual Machine Scale Sets and classic virtual machines. Azure provides extensive networking tools. Virtual networking will help you to set up a public IP, VPN, connect to a hybrid cloud, enable firewall and DNS.

AWS and Microsoft Azure are now the most demanded cloud platforms. Computing capacities offered by the companies are practically at equal levels, and the list of offered services is also constantly growing.

However, the advantage of Azure is the implementation of data backup and recovery functions inside the cloud storage. Also, one of the most important solutions was the StorSimple sub-service. It is hybrid cloud storage for corporate clients that allows you to reduce costs.


Is Azure Easier Than AWS? 

So is Azure easier than AWS? Well, at some points, yes. The key difference between them is that Azure is a platform as a service and you do not need to maintain VMs yourself (security, service packs, etc.), but only your application code. To automate and customize workflows, Azure managed services are outstanding. It is a clear approach where engineers remotely govern controllable infrastructure and enhance your options for deploying Azure.

AWS to Azure Migration: What You Need to Know

Aws to Azure Migration Checklist

 A checklist to help you move data from AWS to Azure includes:

Start with business strategy and planning

  • Assess your readiness for migration

Use the Readiness Assessment and Strategic Migration Tool to assess your readiness and identify the areas that need attention. Identify and engage stakeholders. Contact the important people at your company, including business and IT stakeholders. Early participation and support will lead to faster and smoother transfer processes.

  • Create your plan

Set goals and priorities for your migration. Plan big business events and spot quick wins, such as porting applications with multiple dependencies to speed up your migration.

  • Estimate costs and return on investment

Create a customized business case for your migration with TCO calculator to plan costs and estimate your future savings. Get insights into the potential ROI of cloud infrastructure for your business in this Forrester study.

Get ready to Azure migration

  • Develop your team’s skills

A solid foundation for learning is essential for successful change. There are free training on Microsoft Learn, and also Architecture Solutions, Azure Fundamentals, and Security courses. Encourage your team to look into Azure Certification as well.

  • Discovery and Evaluation of Local Applications

Take an inventory of all on-premises servers and assess dependencies. With Azure Migrate, you have an inventory mechanism to guide you through the next steps. Use it to better understand the on-premises VM and application dependencies, Azure readiness estimated cost and recommended size.AWS to Azure Migration: What You Need to Know

Migrate database from AWS to Azure

The first thing you need to migrate your data to Azure is creating an account. Next, you need to set up billing and build infrastructure components. The required component that you need to configure is Azure Site Recovery.

Set a protection target in the Azure portal, define the target, source, replication options, and enable replication from your AWS instances.

Next, you will need to set up a custom Azure section on Amazon EC2 that will migrate your data automatically. Deploy an EC2 instance and start the Azure Process Server on it:

  • A process server is used to receive, send, and optimize replication data to Azure during the migration;
  • Pay attention to Microsoft’s recommendations for the size and system requirements for the technology server;
  • Make sure the EC2 instances you want to transfer are in the same Amazon Web Services security group as the Processing Server and are configured to allow incoming connections on UDP ports 1024-65535, 135-139, 445 and  TCP;
  • Register the technology server with the ASR configuration server.

After that, create a protection group in Azure Site Recovery and select the Add Physical Machine workflow. Identify all EC2 instances that you want to transfer using their private IP addresses to discover them. You can name each of them for easier recognition during the rest of the process in the future.

Next, the process of replicating EC2 instances to Azure begins. This may take some time, but it depends on the size of the instances, the resources on the Processing Server that are responsible for managing replication, and the network bandwidth.

After replication of EC2 instances is complete, you need to perform a failover to migrate your AWS apps to Microsoft Azure. Also, be sure you uninstall the original EC2 instances and disable protection on the ASR.

Read also: 7 Essential Threats and Risks in Cloud Migration


Microsoft Azure comes first in terms of usability. The service offers to estimate costs not only using a calculator on the site, but also when creating new projects, directly in the management portal.

However, keep in mind that migration to cloud is a series of activities that require experience and skills to avoid downtime of services for the organization’s work. Therefore, often the right decision is to transfer such functions to an IT integrator.
We can help you with the installation, AWS to Azure migration challenges, and advise you about AWS migrations if necessary. Our specialists also have extensive experience in DevOps, so feel free to contact us with any related questions.

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