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Thinkscoop Business Applications
Implementation, integration and AI agents on the platforms your business already runs on.

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Thinkscoop Technologies LLP
40C, Aero Arcade, G-Block, Aerocity Near International Airport, Mohali, Punjab 140603, India
+91 172 521 5050 · contact@thinkscoopinc.com

Building software since 2017. Team based in India, working with clients across the United States, Australia and the Middle East. We hold no offices outside India and do not claim any.

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Business Applications/How an engagement runs/A migration off legacy Dynamics

A migration off legacy Dynamics

Moving off Dynamics GP, NAV or AX with the ledger proven correct before anyone relies on it.

Illustrative. This is a walkthrough of how we run this kind of engagement, not an account of a specific client project. It carries no client and no results, because none are being claimed. Delivered work, with measured outcomes, is on the work pages.

The situation this assumes

A finance team on a version that is out of mainstream support, with years of history, customisations nobody documented and an auditor asking questions.

Week by week

Weeks 1 to 4

Assess and decide

We inventory the customisations and work out which are load-bearing, which are habits and which can go. Most estates carry more than they need, and this is the cheapest week to find that out.

What you get

  • Customisation inventory, each one classified and costed
  • Data quality baseline from the source system
  • History retention decision: what stays live, what gets archived
  • A costed migration path with the sequencing
Weeks 5 to 10

Build the target and the pipelines

The new environment is configured and the migration pipelines are built as repeatable jobs, not one-off scripts, because you will run them more than once.

What you get

  • Configured target environment
  • Repeatable migration pipelines with field-level mapping
  • Rebuilt customisations, upgrade-safe this time
  • First migration run with a reconciliation report
Weeks 11 to 16

Reconcile and rehearse

Successive migration runs until the balances tie out, then a parallel period where both systems run and the numbers are compared.

What you get

  • Reconciliation to source totals, signed off by finance
  • Parallel run across at least one period
  • Two full cutover rehearsals with timings
  • A tested rollback, with the decision point agreed in advance
Weeks 17 to 20

Cut over and close

Cutover and then the first close on the new ledger, with us present. The old system stays available read-only for as long as your auditors need.

What you get

  • Cutover executed against the rehearsed runbook
  • First close supported end to end
  • Legacy system left readable for audit
  • Documentation and handover to your team or to support

Where this gets difficult

Customisations nobody can explain

If we cannot find an owner or a reason, it is a candidate for removal, and that is put to the sponsor as a decision with a cost either way. Carrying it forward blind is the expensive option.

Balances that will not tie out

This is normal on the first two runs and it is why the runs are scheduled early. The reconciliation report shows exactly which accounts differ and by how much, so it is an investigation rather than a mystery.

Audit timing collides with cutover

We plan the cutover around the audit calendar rather than the project plan. A go-live during fieldwork is a bad trade whichever way the project is running.

Shape

  • 16 to 20 weeks
  • A delivery lead, functional consultant, two data engineers, a developer for the customisations

Services involved

  • Migration services
  • Finance and supply chain
  • Security and governance
Talk to us

Other shapes

The engagements we run most often.

A multi-country Finance and Operations rolloutA Business Central rolloutA CRM and ERP integrationA Power Platform governance reset