Mainframe and midrange migration

Reduce costs by bringing your midrange and mainframe applications to an agile cloud platform. Ensure success with a reliable and scalable mainframe migration strategy.

Why migrate your mainframe and midrange workloads to Azure

Modernize with ease and without abandoning the applications you rely on by running your midrange and mainframe applications on Azure. Rapidly address your company's needs at scale using mainframe and midrange migration tools and services without sacrificing functionality, security, or compliance.

Reduce costs and free up your budget to support digital transformation by migrating mainframe and midrange applications from expensive legacy systems to Azure. Savings include hardware, software, and management of these platforms. Save even more when implementing business continuity, disaster recovery, or scalable solutions. With Azure, you pay only for consumption, not for the systems required to support these requirements.

As legacy programmers retire, it's becoming difficult to find talent who know how to use legacy development tools to maintain legacy applications. By moving mainframe and midrange applications to the cloud and using modern development tools such as Eclipse and Microsoft Visual Studio, you expand the talent pool to new developers who have experience with these tools. These new developers can collaborate with legacy developers to continue evolving legacy applications.

Updating and deploying legacy applications can be accelerated when moving from a legacy waterfall development process to a modern DevOps environment. Instead of waiting six months or more to deploy a major update, incremental, daily updates are deployed to support business requirements.

Legacy applications are limited to running on legacy platforms in the datacenter. Use migration tools and services to move these legacy applications to an x86 platform and take advantage of the cloud for running your mission-critical workloads.

Explore mainframe and midrange migration solution architectures

See how migrating your mainframe and midrange applications to Azure helps you modernize your systems and save money.

Modernize mainframe and midrange data

This solution architecture outlines an end-to-end modernization plan for mainframe and midrange data sources using Azure data platform components in a data-first approach.

Replicate and sync mainframe data to Azure

This solution architecture outlines an implementation plan for replicating and syncing data during modernization to Azure.

Migrate Unisys mainframe workloads to Azure

This solution architecture describes the conversion technologies that Microsoft partner Asysco uses to migrate Unisys mainframe workflows to Azure.

Implement mainframe class scale-out capabilities on Azure

This solution architecture shows how Azure provides scale-out performance and high availability similar to IBM z/OS mainframe systems with Coupling Facilities (CFs).

Migrate IBM mainframe applications to Azure with TmaxSoft OpenFrame

This solution architecture illustrates how the TmaxSoft OpenFrame solution runs on Azure.

Stromasys Charon-SSP Solaris emulator on Azure VMs

This solution architecture shows how an emulator called Charon-SSP, from Microsoft partner Stromasys, runs SPARC processor-based Solaris virtual machines in Azure.

Learn more about Azure products for mainframe application and midrange migrations

Azure SQL

The family of SQL cloud databases providing mainframe and midrange class capabilities

Azure confidential computing

Protect your data and code while they're in use in the cloud

Azure DevOps

A modern developer environment for testing and rapidly deploying application updates

Azure Site Recovery

Replicates systems in support of disaster recovery and availability

Azure Kubernetes Service (AKS)

Deploy mainframe applications in modern container technologies

Azure Service Fabric

Evolve legacy applications to run as a modern platform as a service

Mainframe and midrange migration news and resources

了解其他人如何成功将大型机应用程序迁移到 Azure


Learn how freight company Trasmediterranea Acciona moved to the cloud with Visual COBOL.



Learn how GEICO transformed its mainframe-based internal business applications.


Volvo Cars

Learn how Volvo scaled a mainframe application in Azure.


Get started with your migration

Let us know how we can help you get started with mainframe and midrange migration.