13 Reasons Why Companies Migrate from AWS to Azure

Angelika Agapow
Angelika Agapow
Content Marketing Specialist
September 19
12 min
Table of Contents

Cloud technology has become a great component of modern businesses, providing advantages such as availability, cost efficiency, and reliability. Among the top public cloud service providers, Amazon’s AWS and Microsoft Azure stand out as leaders, offering a wide range of features, services, and tools for organizations to thrive in the cloud.

However, the decision on which cloud platform to choose can be challenging. It requires careful evaluation of your organization’s specific needs and capabilities to ensure you select the ideal cloud provider.

While AWS remains the market leader with a 33% market share in 2021, Azure is steadily gaining ground as the second-largest player with a 22% market share. Customers are still divided between the two, with some companies opting to migrate from AWS to Azure due to unique benefits offered by Microsoft’s platform.

It’s important to note that the choice between AWS and Azure is subjective and can be influenced by various technical factors. Historically, customers have been known to switch between providers based on promotional offers from competitors.

In this article, we will explore the general factors that may prompt someone to shift from AWS to Azure. By understanding these factors in detail, you can make an informed decision and maximize the benefits of your chosen cloud platform.


What is Azure?

This comprehensive platform offers a wide range of services, from computing and analytics to storage and networking. Whether you’re developing new applications or migrating existing ones, Azure allows you to customize and select the services that best suit your requirements.

With a focus on assisting businesses in achieving their goals, Azure is a flexible platform that caters to diverse industries such as e-commerce, finance, and Fortune 500 companies. It seamlessly integrates with open-source technologies, allowing you to effortlessly leverage your preferred tools and technologies. With four different forms of cloud computing – IaaS, PaaS, SaaS, and serverless functions – Azure provides the complete package for all your cloud computing needs.


What is AWS?

This all-encompassing computing platform provides you with a flexible, reliable, scalable, and cost-effective solution for all your cloud computing needs. With a combination of IaaS, PaaS, and SaaS offerings, AWS is the ultimate resource for easy-to-use and powerful computing capabilities.


Comparing AWS and Microsoft Azure

Before choosing a cloud service provider, it is important to fully understand the advantages and disadvantages of each option. The decision ultimately hinges on your specific needs and which provider will offer the most cost-effective solution for your business. Now, let’s delve into the factors that should be considered when deciding whether to migrate from AWS to Azure.


1. Usability

Microsoft Azure is the go-to option for businesses seeking a user-friendly and seamless experience. With a majority of small and medium-sized businesses already using Microsoft programs, integrating with Azure is easy. The best part? The implementation of development requirements is straightforward and hassle-free. Ideal for small businesses with tight IT budgets, Azure offers a cost-effective solution.

On the other hand, AWS provides similar features and greater customization, however, there’s a catch. The implementation process for AWS can be challenging due to its steep learning curve, especially if you don’t already have resources familiar with the platform.


2. Flexibility

In today’s ever-evolving business landscape, small and medium-sized businesses need to adapt quickly. They require the ability to swiftly deploy multiple apps to meet their ever-changing needs. And that’s where Azure and AWS come in.

Both Azure and AWS offer a vast array of apps to supercharge your business. But if you’re looking for speed and innovation, Microsoft’s Azure takes the lead. With a constant stream of new features and apps, Microsoft is dedicated to providing the most comprehensive and cutting-edge cloud environment for its clients.


3. Ease of migration

When it comes to cloud migration, there are risks and threats that businesses must be aware of. These include an unclear migration strategy, security vulnerabilities, data loss, compatibility issues with existing systems, lack of visibility in the public cloud, and unnecessary expenses.

If your business is already invested in Microsoft Office 365 and Dynamics 365, migrating to Azure is a seamless process. With native integrations with Windows development tools, Azure proves to be a more cost-effective option compared to AWS.

On the other hand, if your business relies on non-Microsoft databases like Oracle or MySQL on a Linux or Unix server, AWS offers easier data migration. However, Azure takes the lead with its superior hybrid cloud capabilities that surpass those of AWS.


4. Hybrid cloud

During the migration from AWS to Azure, cloud deployment plays a great role. In simple terms, a hybrid cloud combines the best of both worlds – an on-premises data center and a public cloud. This allows you to easily share data and applications between the two.

But how do you know if a hybrid cloud is right for your business? One important factor to consider is latency. Latency refers to the delay between making a request and receiving a response from the cloud service provider. If minimizing latency is vital for your operations, then a multi-cloud or hybrid cloud environment is the way to go.

Especially for companies that deal with sensitive data, like banks, a hybrid cloud model is a wise choice. They can securely store some data on the public cloud while keeping other information on their own private, on-premises servers.

When it comes to hybrid cloud options, Azure has got you covered. They recognized the importance of a hybrid cloud environment early on and offer a wide range of options, surpassing AWS.


5. Cost

Which is the more affordable option? It all comes down to your specific needs. Both AWS and Azure offer a pay-as-you-use system, but with a slight difference. AWS charges by the hour, while Azure charges by the minute. However, Microsoft double-charges customers who run Windows workloads on AWS. As a result, for Windows Server and SQL Server, AWS is five times more expensive than Azure.

Read the article from our spec about Azure cost optimization


6. Security

Both AWS and Azure offer top-notch security measures to protect your cloud data. However, Microsoft goes the extra mile by pledging a massive annually investment of $1B in security. Azure takes the lead with enhanced and simplified features for controlling user permissions. Plus, the Azure Directory provides a robust, secure, efficient, and user-friendly interface.

Learn about Azure serverless secutity


7. PaaS capabilities

In the realm of virtual networking, storage, and machines, both AWS and Azure stand side by side. However, there’s one standout player that redefines the game. Azure comes out on top by delivering more efficient and lightning-fast PaaS capabilities, making it the ultimate choice for your cloud infrastructure needs. Don’t settle for anything less than exceptional performance and speed.


8. Geographic availability

Azure with an impressive offering of 140+ Availability Zones in 50+ regions, far surpassing any other cloud provider. With Azure, you have the freedom to transfer data between zones with no restrictions, unlike AWS which limits data movement. It’s no wonder why 95% of Fortune 500 companies trust Azure.

If you’re considering migrating from AWS to Azure, keep these benefits in mind. A successful migration involves careful strategic planning to mitigate any risks. That’s why it’s significant to choose a technology partner who understands your business goals and can guide you through the implementation process.


9. Easier onboarding

With its user-friendly interface and a wide range of services available through a PaaS paradigm, adopting and migrating to Azure has never been easier. While AWS may offer an abundance of options and over 100 cloud services, getting familiar and productive in their environment can be time-consuming.


10. Azure Site Recovery (ASR)

Today, organizations can leverage Microsoft Azure backup services to achieve fully automated migration of workloads to Azure. This powerful solution not only enables seamless migration but also simplifies the process of backing up data from any Windows device, whether it’s on-premise or already in Azure, to cloud storage. With Azure backup services, organizations can securely and cost-effectively protect their data, ensuring its safety and availability.


11. Strong native support for Microsoft products

If you or your clients heavily rely on Microsoft products such as Windows or Office, choosing Azure as your cloud platform is a natural and logical decision. Azure seamlessly integrates with Microsoft’s ecosystem, allowing for smooth interoperability and enhanced productivity. By leveraging Azure’s comprehensive range of cloud services and solutions, you can unlock the full potential of your Microsoft products and create innovative solutions to address today’s challenges.

Learn about cloud migration challenges and how to deal with them.


12. Compatibility with .NET

Migrating .NET-based applications to Azure is a seamless process that does not require significant re-architecture efforts. In Azure, you have a range of options for modernizing your .NET applications, including Azure Container Services, Azure Service Fabric, and Azure App Services. These services provide a convenient and efficient way to deploy and manage your .NET apps in the cloud.

One advantage of migrating .NET apps to Azure PaaS is the ease of deployment, especially for developers using Windows-native tools. Azure offers a user-friendly environment that simplifies the deployment process, eliminating the overhead requirements often associated with deploying to other platforms like AWS PaaS.


13. Machine learning model with zero coding

In the realm of cloud machine learning platforms, AWS offers Amazon SageMaker and Microsoft Azure provides a Machine Learning Studio. While Amazon SageMaker primarily relies on code for deploying machine learning models, the Microsoft Azure Machine Learning Studio takes a different approach by offering a no-code interface. This visual drag-and-drop interface makes it easier to develop machine learning models without extensive coding.


Why you should migrate from AWS to Azure?

Considering a cloud platform migration? You’re not alone! Many organizations are exploring the benefits of switching between cloud providers. Whether it’s for cost optimization, enhanced security, scalability, geographic reach, or other reasons, migrating to a new platform can offer exciting opportunities.


Diversification of CSPs (Cloud Service Providers)

Enterprise clients are increasingly utilizing multiple public cloud providers as a procurement strategy to hedge against vendor lock-in. By diversifying their cloud infrastructure, businesses gain flexibility, minimize risks, optimize costs, enhance security, and foster innovation.


Working staff skills

Cloud skills can sometimes be scarce in the market, and a client’s in-house or partner skills play an important role in influencing cloud platform decisions or course corrections. There are several specific reasons why organizations choose to migrate from one cloud platform to another. If your reason falls into one of the following categories, rest assured that it is quite common for companies to transition between the top platforms.


Why Azure might be better than AWS?

Is Azure easier than AWS? Well, in certain aspects, yes. One major distinction between the two is that is Platform as a Service (PaaS) with Azure, meaning you don’t have to worry about managing virtual machines (VMs) yourself, including security and service packs. Instead, you can focus solely on developing your application code. Azure’s managed services excel in automating and customizing workflows, providing engineers with the ability to remotely govern controllable infrastructure and expand deployment options. AWS can manage only Infrastructure as a Service (IaaS).


How to migrate from AWS to Azure?

Let’s check the key considerations for migrating from AWS to Azure:

Understanding the differences

Familiarize yourself with the key differences between AWS and Azure, such as their service offerings, pricing models, management tools, and supported programming languages. This knowledge will help you make informed decisions during the migration process.


Assessing compatibility

Evaluate your existing infrastructure and applications to determine their compatibility with the target cloud platform. Consider factors like operating systems, databases, networking configurations, and security requirements. This assessment will guide you in planning any necessary modifications or optimizations.


Migration strategy

Develop a well-defined migration strategy that outlines the step-by-step process for moving your workloads to the new cloud environment. Decide on the migration approach (lift-and-shift, re-platforming, or re-architecting) based on your specific needs, budget, and timeline.

When migrating from AWS to Azure or transitioning between different ISPs, there are four primary strategies to consider:

  • Rehost: This strategy involves transferring applications from an on-premises environment or one cloud platform to another without making significant modifications. It focuses on the lift-and-shift approach, where the application is moved as-is to the target environment.
  • Refactor: With the refactor strategy, you migrate the application to the Azure platform while making a few code modifications. This approach leverages the native services and capabilities of Azure to optimize the application’s performance, scalability, and cost-efficiency.
  • Rearchitect: The rearchitect strategy involves rewriting the application’s source code and transforming it into a cloud-native architecture. This approach allows you to fully leverage the benefits of the cloud by redesigning and optimizing the application for scalability, resilience, and elasticity.
  • Rebuild: In the rebuild strategy, you put aside the old application and develop identical functionality using Azure’s Platform-as-a-Service (PaaS) features. This approach provides an opportunity to take advantage of Azure’s managed services, allowing you to focus on application logic rather than managing infrastructure.


These migration strategies offer different levels of effort, flexibility, and optimization depending on your specific requirements and goals.

Learn more about cloud rationalization and strategies you can use.


Data transfer

Ensure a smooth transfer of data by leveraging appropriate tools and services provided by both AWS and Azure. These tools may include migration services, storage gateways, or third-party solutions. Plan for any necessary downtime or data synchronization during the transition.


Security and compliance

Review the security and compliance requirements of your organization and ensure that they can be met in the target cloud platform. Understand the shared responsibility model and implement necessary measures to protect your data and applications.


Testing and validation

Perform thorough testing and validation of your migrated workloads on the new cloud platform. This includes functional testing, performance testing, and security testing to ensure that everything is working as expected.


Cost optimization

Take advantage of cost optimization strategies offered by both AWS and Azure. Analyze pricing models, reserved instances, spot instances, and resource utilization to optimize costs without compromising performance.


If you’re thinking about migration to the cloud or want to learn more just get in touch.

Angelika Agapow
Angelika Agapow
Content Marketing Specialist
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