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Case study · Migration · NAV to Business Central

From Dynamics NAV to Business Central online, step by step

A UK business on an ageing Dynamics NAV version moved to Business Central online with FITS – keeping its history and leaving unnecessary customisations behind.

NAV to BC migrationCloudExtensionsPower BI
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The challenge

The company's NAV version was out of support, its server needed replacing and each upgrade of the custom code was becoming more expensive. The team wanted the benefits of the cloud – automatic updates, remote access, Copilot and Microsoft 365 integration – without losing years of transaction history.

Our approach

Migration assessmentWe reviewed every customisation and decided with the client whether to replace it with standard functionality, an AppSource app or a new extension.
Upgrade and data migrationData was upgraded through the supported Microsoft migration path and validated in test runs.
Training and adoptionKey users were trained on what changed, including the Microsoft 365 and Copilot features.
ReportingPower BI dashboards replaced old reports so leadership could see the business in one view.

The results

No more serversBusiness Central online is hosted and updated by Microsoft.
Leaner systemMany old customisations were replaced by standard features.
History preservedHistorical data remained available after the move.
Modern toolsOutlook, Excel, Teams, Power BI and Copilot now work with the ERP data.

What made the difference

A thorough assessment upfront kept the project predictable. Every customisation had to earn its place in the new system – which made the result simpler to use and cheaper to maintain.

Client details are anonymised for confidentiality. References are available on request.

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