Best Approach to Upgrade from Dynamics AX 2012 to Dynamics 365 F&O in 2026?

vigneshchandrabose
vigneshchandrabose Member Posts: 3
in Dynamics AX

Hi everyone,

We are currently running Dynamics AX 2012 and starting to evaluate an upgrade to Dynamics 365 Finance & Operations.

I’d like to understand from those who have already gone through the upgrade:

  1. Did you choose full reimplementation or code upgrade?

2. How did you handle customizations and ISV solutions?

3. Any major challenges during data migration?

4. What’s the realistic timeline for mid-sized enterprises?

5. How did you manage user training and change management?

We are especially concerned about custom modules and performance optimization post-migration.

Would appreciate insights, lessons learned, or things to avoid during the upgrade journey.

Thanks in advance!

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