Every ERP migration we have run well had the same shape: the real cut-over was boring because the rehearsals were not.
This is a placeholder article. The structure below is real; the words are not yet written.
Reconcile before you migrate, not after
The spreadsheet you are migrating from is almost never internally consistent. Finding that out during cut-over is what turns a migration into a week of downtime.
Run the cut-over twice on a copy
A dry run on production-shaped data tells you the real duration, which is the number the business actually needs.
