Microsoft Legacy AX Solutions

Time to Review your Long-term ERP Strategy

Legacy AX is a term commonly used to describe older versions of Microsoft Dynamics AX, including AX 2009 and the AX 2012 product family. Organisations continue to use these systems to support core processes across finance, supply chain, manufacturing, procurement, sales and operations.

Microsoft’s strategic ERP platform is now Dynamics 365, with modern applications such as Dynamics 365 Finance and Dynamics 365 Supply Chain Management. Older AX environments may present increasing challenges around vendor support, security, integration, maintenance and compatibility with newer technologies.

Mainstream support for Dynamics AX 2012 R3 ended on 12 October 2021, followed by extended support on 10 January 2023. Support for AX 2009, AX 2012 and AX 2012 R2 ended on 12 April 2022. Organisations still using these products should therefore assess their current environment and establish a clear, practical plan for its future.

Intelisense IT helps senior leaders evaluate their existing AX environment, understand realistic migration options and develop a structured route to Microsoft Dynamics 365 while minimising disruption to day-to-day operations.

Why Staying on Legacy AX Becomes Harder Each Year

Legacy AX is still business-critical for many organisations, but the pressure to modernise is now strategic, not just technical.

Growth constraints

Older AX versions were not designed for today's data volumes, cloud services or global operating models.

Integration limits

Modern finance, CRM, e-commerce and analytics tools struggle to plug cleanly into on-premise AX.

Security And Support Gaps

Extended support has ended for AX 2012 R3, leaving organisations exposed to rising compliance and risk pressure.

Heavy customisation

Years of bespoke code and workarounds make upgrades, changes and reporting slow and expensive to deliver.

Falling behind

AX users miss out on continuous Microsoft updates, AI, Copilot and Power Platform innovations available in D365.

Rising Cost Of Ownership

Infrastructure, servers, patches and specialist skills increase the true running cost of legacy ERP every year.

How AX Migration Supports Every Role at the Top Table

A move to Dynamics 365 is a business decision as much as a technology one. Here is how it matters to your leadership team.

CEO

Protect operational continuity while unlocking a modern platform for growth and new business models.

CFO And Finance Leaders

Move to predictable cloud economics, faster close cycles and richer financial reporting on Dynamics 365 Finance.

COO And Operations

Streamline supply chain, manufacturing and procurement on a unified, cloud-native operations platform.

CIO And CTO

Retire on-premise infrastructure, strengthen security posture and modernise your Microsoft technology stack.

ERP And IT Directors

Reduce customisation debt, simplify integrations and give teams a supported, evergreen ERP.

Transformation Leaders

Deliver a structured programme with clear phases, defined risks and measurable business outcomes.

A Modern Platform, Without The Legacy Overhead

Microsoft advises AX customers to upgrade to modern finance and operations apps. The right migration turns that guidance into a business advantage.

What's included in a Legacy AX review

Before any implementation, we build a clear picture of where you are today and what a realistic move to Dynamics 365 looks like. Click any segment of the wheel to explore what we review.

Data Challenges Wheel - Pie Divs

Data

PROCESSES

INTEGRATIONS

CUSTOMISATIONS

PEOPLE

COMPLIANCE

LEGACY AX REVIEW

Data & Master Data

Data quality, structures and readiness for migration to Dynamics 365.

Business Processes

Finance, supply chain, procurement, sales and operations end-to-end.

Integrations

Third-party systems, EDI, e-commerce, warehouse and CRM connections.

Customisations

Bespoke code, ISV modules and workarounds that shape your current AX.

People & Change

User roles, skills, adoption risks and training needs across the business.

Risk & Compliance

Outcome

Ongoing value from Dynamics 365 as new features, AI and Copilot capabilities land.

Outcomes that Matter to the Business

Moving from on-premise AX to Dynamics 365 in the cloud delivers clear, measurable improvements across finance, operations and IT.

Better decisions

Real-time reporting across finance, supply chain and operations in one modern platform.

Faster processes

Streamlined workflows replace legacy workarounds and manual reconciliations.

Lower risk

Supported, secure and continuously updated technology, backed by Microsoft.

Predictable cost

Subscription-based cloud model replaces heavy on-premise capital costs.

Global access

Give teams secure access to business data from any location and support hybrid working models.

Enhanced security

Benefit from Microsoft's ongoing investment in cloud security to help protect data against evolving threats.

Continuous updates

Stay on the latest capabilities through regular Microsoft updates, without disruptive re-implementations.

Seamless integration

Connect finance, operations, CRM, data and productivity tools for a unified Microsoft cloud estate.

Scalability

Expand operations without heavy upfront investment. Pay for the capacity and functionality you actually use.

Built on the Microsoft Platform you Already Trust

As a Microsoft-aligned ERP partner, we align every recommendation to the Microsoft data, AI and business apps stack so your investment builds on what you already own and integrates with the tools your teams use every day.

Microsoft Fabric

Unified analytics platform

Azure Data Lake

Scalable data foundations

Azure Synapse

Enterprise data warehousing

Copilot And AI

Executive-ready reporting

Power BI

Executive-ready reporting

Dynamics 365

Connected business apps

Common Questions about Legacy AX and Dynamics 365

What is Microsoft Legacy AX?

Microsoft Legacy AX refers to older versions of Microsoft Dynamics AX, such as AX 2009 and AX 2012. It was used by businesses to manage finance, supply chain, manufacturing, procurement, sales and operations before Microsoft moved towards modern Dynamics 365 cloud-based applications.

Is Microsoft Dynamics AX still supported?

Older versions of Dynamics AX are now considered legacy systems. Microsoft states that mainstream support for Dynamics AX 2012 R3 ended on 12 October 2021 and extended support ended on 10 January 2023. Many organisations using AX now need to review their long-term ERP strategy.

Why should businesses migrate from Dynamics AX to Dynamics 365?

Organisations often migrate from Legacy AX to Dynamics 365 to improve security, reduce reliance on outdated infrastructure, access cloud-based features, improve reporting and support better integration across finance, supply chain and operations. Microsoft advises customers to upgrade to modern finance and operations apps such as Dynamics 365 Finance and Dynamics 365 Supply Chain Management.

Can Microsoft Dynamics AX data be migrated to Dynamics 365?

Yes. Microsoft provides upgrade paths for organisations moving from Dynamics AX 2012 to modern finance and operations applications. The process can involve moving both data and code, depending on the version of AX, the level of customisation and the target Dynamics 365 environment.

How difficult is it to upgrade from Dynamics AX to Dynamics 365?

The difficulty depends on the age of the AX system, the amount of customisation, data quality, integrations and business processes involved. A well-planned migration usually starts with system assessment, data review, process mapping and a clear roadmap before implementation. Microsoft notes that upgrade work can include data upgrade and code migration through Lifecycle Services.

How does Intelisense IT support Legacy AX customers?

We help senior leaders review their current AX environment, understand realistic migration options and design a structured route to Dynamics 365. Our team focuses on data, processes, integrations, customisations and change so the business keeps running smoothly throughout the transition.

CRM

ERP

Data and AI

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