In today’s demand‑driven supply chains, organizations can’t afford to wait for real sales orders before planning procurement, production, or distribution. Dynamics 365 Supply Chain Management (SCM) brings together two powerful capabilities — Sales Forecasting and Planning Optimization — to help businesses plan smarter, react faster, and operate more efficiently.
This post breaks down how these two components work together to reduce risk, increase visibility, and improve downstream supply planning.
What is Sales Forecasting in Dynamics 365 SCM?
Sales Forecasting in D365 SCM is part of the broader Demand Forecasting framework. It enables organizations to:
- Generate statistical forecasts based on historical sales data
- Combine external forecasts or manually entered projections
- Collaborate across teams to refine demand expectations
- Use forecast models to drive planning strategies across products and time periods
SCM Sales Forecasting focuses on quantities — the units you will need to make, purchase, or transfer.
Where Planning Optimization Fits In
Planning Optimization is the next‑generation MRP engine for Dynamics 365. It determines:
- What to buy
- What to produce
- When to replenish inventory
- How to balance lead times, BOMs, routes, and constraints
To do this effectively, it requires strong forward‑looking demand signals — and that’s where Sales Forecasting becomes essential.
How Sales Forecasting Feeds Planning Optimization
Here’s how the integration works end-to-end:
1. Forecast Data Becomes Future Demand
Your forecasted quantities (by item, site, warehouse, and period) are stored in forecast models.
Planning Optimization reads these models during master planning to create future supply requirements. This allows replenishment to start before customer orders arrive.
2. Forecast Reduction Prevents Double Counting
As real sales orders come in, forecasted demand can be reduced using configurable forecast reduction keys.
This ensures your supply plan remains accurate and avoids creating excess inventory.
3. Planning Optimization Consumes – Not Creates – Forecasts
Planning Optimization doesn’t generate the forecast; it simply uses it.
This means you maintain full control over:
- Forecast methods
- Statistical models
- Manual overrides
- Versioning with forecast models
4. Planning Optimization Uses Forecasts Across the Entire Supply Network
Your forecast informs:
- Planned purchase orders
- Planned production orders
- Transfer orders between warehouses
- Long lead-time material planning
- Capacity and resource planning (via routes and calendars)
Why this Matters for Modern Supply Chains
When used together, Sales Forecasting and Planning Optimization help you:
Plan earlier and more accurately
React to anticipated demand, not just actual orders.
Reduce stockouts and overstocks
Balance service levels and inventory investment.
Protect long lead-time procurement
Give suppliers better visibility
Optimize production schedules
Smooth out labor and machine utilization using forecast data.
Enable true proactive planning
Unlock a future-ready planning process instead of reactive firefighting.
A Typical End-to-End Setup
Here’s what a complete workflow often looks like:
- Generate a statistical demand forecast (or import external forecast).
- Collaborate with sales, planning, and finance to refine it.
- Approve and freeze the forecast into a forecast model.
- Assign the model to your master plan.
- Run Planning and Optimization
- Review planned orders generated based on both forecast and actual demand.
- Monitor and adjust using forecast reduction rules.
This creates a consistent, predictable planning loop.
Final Thoughts
Sales Forecasting and Planning Optimization in Dynamics 365 SCM are designed to work hand‑in‑hand. Sales Forecasting provides the foresight your supply chain needs. Planning Optimization uses that foresight to generate a smart, efficient, and reliable supply plan.
Together, they help unlock a modern, resilient, and demand‑driven supply chain.