ERP Migration

Move off legacy ERP without losing the business.

A validated, data-safe path from legacy or on-premise ERP to Microsoft Dynamics 365 Business Central — with every record mapped, cleansed and reconciled before cutover.

Why Organizations Migrate

Legacy ERP has a cost, even when it still runs.

Rising Support Cost

Aging platforms cost more to maintain than to replace.

Vendor End-of-Life

Unsupported systems carry growing security and compliance risk.

Disconnected Data

Reporting still depends on manual exports and spreadsheets.

No Room for AI

Legacy platforms can't ground automation or Copilot in live data.

Methodology

A migration path that protects business continuity.

01 — Assess & Map

Know exactly what's moving before you move it.

We inventory every data domain in the legacy system and map it against Business Central's data model, flagging gaps and custom fields early.

Business Problems
  • Undocumented customizations in the legacy system
  • Years of accumulated, unreconciled data
  • Uncertainty over what's safe to leave behind
Coreenact Solution
  • Full data domain inventory and field mapping
  • Legacy-to-Business Central data model alignment
  • Migration scope and risk register
Data MappingLegacy AssessmentRisk Register
02 — Cleanse, Migrate & Validate

Clean data in, reconciled data out.

Records are cleansed before migration, moved in controlled batches, and reconciled line-by-line against the source system before anyone signs off.

Migration Steps
  • Data cleansing and de-duplication
  • Staged, reversible migration runs
  • Line-item reconciliation against source
Cutover
  • Rehearsed cutover with a defined rollback plan
  • Parallel run for critical financial data
  • Hypercare support through first close
Data CleansingReconciliationCutover Planning

The Path

Migration, step by step.

1

Assess

Inventory legacy data, customizations and integrations.

2

Map & Cleanse

Align data to Business Central and remove what shouldn't travel.

3

Migrate

Move data in controlled, reversible batches.

4

Validate

Reconcile every domain against the legacy source.

5

Cutover

Go live with a rehearsed plan and hypercare support.

Common Questions

Migration FAQ

Most on-premise and legacy ERP platforms can migrate — the deciding factor is usually data quality and how well-documented the current customizations are, which we assess up front.

We help you decide domain by domain — open transactions and recent history typically migrate in full, while older closed records are often archived rather than migrated live.

Yes — migration is often combined with implementation, since the target configuration directly shapes how legacy data should be mapped.

Planning a Migration?

Let's assess your legacy environment.