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Code Upgrade From NAV to Business Central

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Posted on by MN-13081357-0

Hello Everyone,

I am planning to do a code upgrade from NAV to Business Central. Can someone assist me in this by providing relevant material, information or any tutorial? It would be a great help.

Thanks.

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Dynamics 365 Business Central

Dynamics 365 Business Central migration

Microsoft Dynamics NAV

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Sumit Singh 11,795 Super User 2026 Season 1 on at

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Hi,

You can refer below official MS link:-

Upgrade Application Code - Business Central | Microsoft Learn

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YUN ZHU 100,731 Super User 2026 Season 1 on at

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Hi, Please note that there is a big prerequisite for you to use the method provided by Microsoft, you must have a developer license or partner license.

Hope this help as well.

Thanks.

ZHU

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Sohail Ahmed 11,175 Super User 2026 Season 1 on at

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Adding more details

https://www.saglobal.com/int/insights/steps-for-a-nav-to-dynamics-365-business-central-technical-upgrade.html

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/migrate-nav

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/upgrade/upgrading-the-application-code

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Satish Srivastava 242 on at

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Prerequisites before starting

NAV Version

Know your current NAV version. Direct upgrade is not possible from older versions (e.g., NAV 2009/2013).

Typically, you must first upgrade to NAV 2018 or BC On-Prem v14 before moving forward.

Customizations Review

Identify all customizations (C/AL code, modified base objects, reports).

Plan to move them into AL extensions (because BC doesn’t allow direct C/AL changes).

Environment Setup

Install Visual Studio Code, AL Language extension, and connect to your BC sandbox.

Prepare a DevOps repository for source control.

Data & Licenses

Backup NAV databases before starting.

Ensure you have the proper BC licenses (SaaS or On-Prem).

Step 1 – Prepare NAV Database

Upgrade your existing NAV database schema to NAV 2018 or BC v14 (C/AL environment).

Compile all objects and resolve issues.

Step 2 – Convert Code to AL

Export C/AL customizations using Txt2AL tool.

Refactor them into AL extensions (event subscriptions, table extensions, page extensions).

Handle obsolete functions and features.

Step 3 – Technical Upgrade

Move your database into Business Central.

Run schema synchronization and data conversion.

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Khushbu Rajvi. 22,413 Super User 2026 Season 1 on at

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Hope this helps:https://www.youtube.com/watch?v=r7S11ST4PSg

https://erpsoftwareblog.com/2024/05/nav-to-dynamics-365-business-central-technical-upgrade/

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