Dynamics NAV to Business Central Migration | Codestone
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Book your free assessment

Dynamics NAV to Business Central migration

Migrate from Dynamics NAV to Microsoft Dynamics 365 Business Central

Microsoft stops releasing security updates for Dynamics NAV 2017 on 11 January 2027 and for NAV 2018 on 11 January 2028. Codestone helps UK businesses running NAV or Navision move to Business Central with a clear plan, your data intact and minimal disruption to your team.

Book your free migration assessment →See how the migration works
Finance manager working late on a laptop in the office

NAV support is ending. Your options narrow every year you wait.

Dynamics NAV 2018 was the final NAV release. Microsoft has replaced it with Business Central, which is built on the same foundations, and NAV is now in its last years of support.

Extended support means security fixes only, with no new features, regulatory updates or product improvements. Once it ends, your system keeps running, but every new vulnerability stays open. Standing still has other costs too:

  • Skills: fewer developers work in C/AL and older NAV versions, so changes take longer and cost more
  • Infrastructure: you keep paying to run, patch and back up the servers and SQL databases NAV depends on
  • Upgrades: heavily customised NAV systems turn every version change into a project
  • Integration: connecting NAV to Microsoft 365, modern reporting and AI tools is harder than it should be

Plan early and the timing is yours to choose.

Dynamics NAV vs Business Central

Business Central keeps the processes your team already knows in finance, sales, purchasing, stock and projects. What changes is how the system is run, updated and extended.

Dynamics NAVDynamics 365 Business Central
DeploymentOn-premises, on your own serversCloud (Microsoft-hosted) or on-premises
UpdatesManual upgrade projectsRegular Microsoft updates, applied for you in the cloud
CustomisationsMostly C/AL code changes to the core systemAL extensions that sit alongside standard code and survive updates
AccessMainly the Windows client, with more limited web and mobile clientsBrowser, tablet and phone, wherever your team works
Microsoft 365Limited, often custom-built linksWorks with Outlook and Excel, plus Teams in the cloud version
Reporting and AIStandard reports, add-ons for morePower BI integration, plus Copilot in the cloud version
LicensingPerpetual licence plus annual enhancement planPer-user subscription

A structured migration, planned around your business

Every NAV system is different. We start with what you have today and build a plan around what you need next.

01

Assess

We review your NAV version, customisations, add-ons, integrations and data, then confirm the right migration route.

02

Plan

Together we decide what to keep, what Business Central now does as standard and what can be retired. You get a scope, timeline and cost before work starts.

03

Build and migrate

We rebuild the customisations you still need as extensions, configure Business Central and move your data using Microsoft’s migration tools.

04

Test and train

Your team tests real processes and reconciles the figures, and we train users on the new system before go-live.

05

Go live and support

We manage the cutover, stay close through the first period end and continue with ongoing Business Central support.

Your data, customisations and integrations

Bring what matters with you.

We work through your NAV system piece by piece and agree with you what comes across, what Business Central already does and what can be retired.

Book your free assessment → Operations manager checking stock on a tablet in a warehouse

What we look after

  • Your dataMaster data, open transactions and the history you need come with you. We agree with you how much history to bring across and how older records stay accessible.
  • Your customisationsMany NAV customisations were built to fill gaps that Business Central now covers as standard. We identify these, so you only rebuild what genuinely adds value.
  • Your add-onsWe check which third-party add-ons have Business Central versions and recommend alternatives where they don’t.
  • Your integrationsWe map every system NAV connects to, from banking and EDI to ecommerce and payroll, and plan how each one connects to Business Central.

Start with a free NAV to Business Central assessment

In a half-day session, our Business Central consultants look at your NAV system with you and give you a clear picture of what your migration involves.

You will come away with:

  • Which NAV version you run, how long Microsoft will keep patching it and what that means for your risk
  • An inventory of your customisations, add-ons and integrations, marked keep, replace or retire
  • The upgrade route that suits your version, with the effort and risks it carries
  • A first-cut plan showing the main stages and how long each is likely to take
  • A demonstration of the Business Central features that matter most to how you work, including Copilot if you move to the cloud

There is no cost and no obligation.

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Thank you

We’ve got your details. One of our Business Central consultants will be in touch to arrange your assessment.

Frequently asked questions

When does support for Dynamics NAV end?

NAV 2017 extended support ends on 11 January 2027 and NAV 2018 on 11 January 2028. NAV 2016 and earlier versions, including Navision, are already out of support.

Will NAV stop working when support ends?

No. Your system will keep running, but Microsoft will no longer release security updates, so any new vulnerability stays unpatched.

Can we keep our customisations?

Yes, where they still add value. We review each one, retire those Business Central now handles as standard and rebuild the rest as extensions.

Will we lose our historical data?

No. We agree with you how much history to migrate and how older records stay accessible after go-live.

Do we have to move to the cloud?

No. Business Central runs in the cloud or on-premises. Some features, including Copilot and the Teams app, are only available in the cloud version. We will recommend the right option for your business during the assessment.

How long does a migration take?

It depends on your NAV version, customisations and data. Your assessment gives you an initial timeline, and a full plan follows before work begins.

Find out what your migration really involves

Half a day with our Business Central consultants, at no cost and with no obligation.

Book your free assessment →
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