Apr 18, 2026
AX 2012 to D365 F&O upgrade: redesign, don't re-overlay
Enterprises upgrading from Dynamics AX 2012 to Dynamics 365 Finance & Operations face a specific decision about existing customizations. Migrating overlays as-is preserves short-term function and breaks every One Version update going forward. The right path is redesign through fit-gap and the extensibility model.
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