In This Article
Business Central vs NAV: The Short Answer
Microsoft Business Central is the cloud-native successor to Dynamics NAV (Navision). It provides ERP functionality — financial management, supply chain, manufacturing, project management, and warehouse operations — delivered as a SaaS application within the Dynamics 365 family. If you're running NAV on-premises, Microsoft's official position is clear: NAV mainstream support ended in 2023. Business Central is the upgrade path. The migration typically takes 8-16 weeks and delivers 30-40% reduction in IT maintenance costs through SaaS delivery.
Head-to-Head Comparison
| Factor | Business Central | Dynamics NAV |
|---|---|---|
| Deployment | Cloud (SaaS) or hybrid | On-premises only |
| Updates | Automatic (2 major/year) | Manual (expensive upgrade projects) |
| Cost | $70/user/month (Essentials) | License + server + IT staff |
| Integration | M365, Power BI, Power Platform, Copilot | Limited |
| AI | Copilot for demand forecasting, cash flow prediction | None |
| Customization | AL extensions (AppSource) | C/AL custom code |
| Support | Active (mainstream until 2028+) | Extended support only (ends 2028) |
When to Migrate from NAV to Business Central
Migrate now if: Your NAV version is 2016 or older (no security patches), your customizations are blocking NAV upgrades, your IT team spends 20+ hours/month maintaining NAV infrastructure, or you need Power BI integration and Copilot AI capabilities. Delay if: Your NAV 2018 runs flawlessly with no integration needs — but plan the migration for 2027 before extended support ends.
Migration Cost: NAV to Business Central
| Migration Scope | Timeline | Cost |
|---|---|---|
| Simple (minimal customizations) | 6-10 weeks | $50K-100K |
| Standard (10-20 custom objects) | 10-16 weeks | $100K-200K |
| Complex (heavy C/AL code conversion) | 16-24 weeks | $200K-400K |
Can I Keep My NAV Customizations in Business Central?
C/AL code (NAV's customization language) must be converted to AL (Business Central's extension language). Simple customizations convert semi-automatically with Microsoft's migration tools. Complex C/AL modifications require manual rewriting — this is where 60% of migration cost and timeline sits. The recommendation: evaluate each customization. Many NAV customizations replicate functionality that Business Central now provides natively — eliminating the need to migrate the custom code at all.
Key Takeaway
Business Central is NAV's cloud-native evolution — better integrated, AI-powered, and lower-maintenance. NAV support ends 2028. If you're still on NAV, the migration window is narrowing. Need Business Central consultants? Xylity deploys in 4.3 days.
Go Deeper
Continue building your understanding with these related resources.