Infographic showing the hidden costs of staying on Dynamics NAV in 2026 versus upgrading to Microsoft Dynamics 365 Business Central.

The Real Cost of Staying On Dynamics NAV in 2026

blog

Written by IOS Research Team

2026-04-28

Most companies still on Dynamics NAV aren't staying because it works well. They're staying because migration feels expensive and risky.

But here's what "staying" actually costs: 💸

  • No cloud access — your team can't work remotely.
  • End of support: Microsoft ended mainstream support for NAV years ago (security patches stop coming).
  • Compounding technical debt: Every customization you add makes the eventual move harder and more expensive.
  • Shrinking talent pool: New hires don't know NAV, training takes longer, and fewer developers specialize in it every year.
  • Locked out of innovation: No Copilot, no Power Automate, and none of the new features Microsoft is building into Business Central.

We just helped a client move from NAV 2009 to Business Central. They'd been postponing for 4 years. The upgrade took 10 weeks. Their CFO told us he wished they'd done it sooner — they were spending more on workarounds than the migration itself would have cost.

If you're still on NAV and wondering whether it's time, it probably was time last year.

Happy to share what a realistic migration timeline and budget looks like for your setup. DM me or visit indexofsolutions.com.