Start with one measurable problem
Traceability, production status, paper travelers, quality records or downtime may each justify a focused implementation. Avoid making “digital transformation” the only business case.
Deployment choices
Cloud or hosted platforms can reduce local infrastructure burden, but plant connectivity, latency, identity, data retention and outage behavior still need design.
Keep integrations proportional
A lightweight ERP/MES interface can be more sustainable than building dozens of custom point-to-point connections from the beginning.
Plan administration capacity
Someone must own routings, users, devices, interfaces, reports and changes. A system with no operational owner will degrade even if the software is technically sound.
MES terminology and boundaries vary among plants and vendors. Validate data ownership, safety impacts, interfaces and change control against your actual manufacturing architecture and approved procedures.