Navigating Zero-Downtime Cloud Migrations from Legacy NAV to Dynamics 365 Business Central

Organizations running legacy Dynamics NAV versions (2013, 2015, 2018) face increasing maintenance overheads, hardware obsolescence, and lack of integration with modern cloud productivity tools. Upgrading to Dynamics 365 Business Central transforms operations with seamless web access, automated updates, and native Microsoft 365 integration.

FlutterFlirt specializes in structured, zero-downtime cloud migration journeys that convert legacy C/AL customizations into clean, scalable AL extensions.

Migrating financial histories and inventory valuations requires systematic validation to ensure reconciliation down to the penny.

1. Code Refactoring & AL Modernization: Replacing deprecated C/SIDE modifications with event-driven AL apps. 2. Data Cleansing & Extraction: Scrubbing legacy dimension tables and extracting master records through automated migration pipelines. 3. Sandbox Trial Runs & User Acceptance Testing: Executing full mock cutovers during non-business hours to validate ledger balances. 4. Go-Live and Hypercare Support: Dedicated round-the-clock standby during fiscal cutover to ensure smooth day-one operations.

Following migration, clients report an average 45% acceleration in daily transaction processing, elimination of server maintenance bills, and instant access to AI-powered cash flow forecasting with Copilot in Business Central.