Why Is the COO's Voice Usually Missing From the ERP Modernization Conversation?
- Michael Hornberger
- Jun 9
- 3 min read
ERP modernization decisions typically get framed as IT projects with finance sponsorship. The CFO wants faster close. The CIO wants to eliminate on-premise infrastructure. The project gets approved on financial and technical grounds, and the operations team gets handed a new system with a go-live date.
The result is ERP implementations that are financially and technically successful but operationally underwhelming, because the COO's requirements weren't the primary design input. Operations teams that live in the ERP eight hours a day have the most direct relationship with its limitations and the most to gain from modernization. Building that case requires translating operational pain into financial terms that executive teams and boards can evaluate.
What Does Legacy Dynamics Actually Cost Operations Teams in Daily Productivity?
The daily productivity cost of legacy ERP in operations environments is largely invisible in financial reporting. It shows up as headcount, people hired to manage the gaps between what the system can do and what the operation requires. Common patterns in legacy Dynamics environments include: morning reconciliation routines to align ERP inventory records with physical counts, manual expediting processes because MRP recommendations aren't trusted, spreadsheet-based capacity planning because the ERP's production scheduling is too rigid, and manual data entry from shop floor transactions that the system can't capture automatically.
A mid-market manufacturer on legacy Dynamics typically has two to four FTEs performing work that exists solely because the ERP system can't do it automatically. At $70,000–$90,000 per FTE including benefits and overhead, that's $140,000–$360,000 in annual operations cost that disappears when the system can do what it's supposed to do. That number rarely appears in ERP ROI analyses because it's categorized as operations headcount, not IT expense.
How Does D365 Specifically Address the Operations Problems Legacy Dynamics Creates?
D365 Supply Chain Management and Finance & Operations address the most common operations pain points in legacy Dynamics environments through native functionality rather than custom development or bolt-on tools. Real-time production order tracking gives COOs visibility into floor status without manual data collection. Advanced warehouse management provides directed picking, cycle counting, and multi-location inventory management that replaces manual processes. Available-to-promise calculations in D365 incorporate real-time inventory positions, open production orders, and supplier lead times to give sales teams reliable commit dates, not estimates based on outdated data.
For COOs managing multi-site or multi-entity operations, D365's intercompany functionality allows production, procurement, and inventory to be managed across legal entities in a single system rather than through manual reconciliation processes between separate GP or AX instances. The operational efficiency gains from eliminating cross-entity reconciliation workflows alone often exceed the cost of the D365 subscription in the first year of operation.
What Operations Metrics Should COOs Track to Build the ERP Business Case?
The most compelling ERP business cases from operations leaders are built around three categories of metrics: labor productivity (hours spent on manual data reconciliation, expediting, and spreadsheet maintenance), service level performance (on-time delivery rates, fill rates, customer complaint frequency), and inventory efficiency (days of inventory on hand, obsolescence write-offs, stockout frequency).
Legacy Dynamics environments typically underperform on all three. On-time delivery rates are constrained by inaccurate available-to-promise logic. Inventory levels run higher than necessary because safety stock buffers compensate for poor demand visibility. Labor productivity in operations is depressed by manual workarounds. Quantifying the gap between current performance and industry benchmarks in each category provides the COO with a financial case that CFOs can evaluate on the same terms as any other capital investment.
What Should a COO Expect From the D365 Implementation Process?
The most important thing a COO can do in an ERP implementation is ensure that operations requirements drive configuration decisions, not the other way around. ERP implementations that are configured primarily for accounting convenience often end up with operations workflows that are more cumbersome than the system they replaced. COO engagement in process design sessions, user acceptance testing, and go-live readiness is the single highest-value activity in the implementation process.
Turnkey Technologies works with COOs and operations leadership teams to ensure that D365 implementations are configured to support operations workflows, not just financial reporting requirements. If your operations team is running workarounds that shouldn't be necessary, the conversation worth having is about what's causing them, and whether a better system solves the root problem.
Ready to Explore What's Next?
Turnkey Technologies, Inc. · Microsoft Solutions Partner · Chesterfield, MO
