Using MRP Effectively in Infor VISUAL ERP

Madhu Nair
Practice Director
10 min read

Introduction

Material Requirements Planning (MRP) remains one of the most critical operational functions inside modern manufacturing environments. For organizations using Infor VISUAL ERP, MRP serves as the central planning engine that helps coordinate purchasing, inventory management, production scheduling, material availability, and customer demand across the entire manufacturing operation.

In highly competitive manufacturing industries, companies are constantly under pressure to:

  • reduce inventory costs,
  • improve on-time delivery,
  • shorten lead times,
  • increase production efficiency,
  • improve forecasting accuracy,
  • and respond quickly to changing customer requirements.

Without a reliable planning system, manufacturers often struggle with:

  • material shortages,
  • excess inventory,
  • constant expediting,
  • production delays,
  • unstable schedules,
  • and poor visibility into future demand.

This is where MRP inside Infor VISUAL ERP becomes extremely valuable.

When implemented and managed correctly, MRP allows manufacturers to synchronize supply and demand more effectively while improving overall operational control. Instead of relying heavily on spreadsheets, tribal knowledge, or reactive purchasing decisions, manufacturers can use MRP to create a far more structured and data-driven planning environment.

However, many organizations do not fully realize the potential of MRP because the success of MRP depends heavily on the quality of the underlying manufacturing data and operational discipline.

MRP is not simply a software feature. It is an operational planning framework that depends on:

  • accurate inventory,
  • reliable Bills of Material,
  • disciplined scheduling,
  • realistic lead times,
  • accurate production reporting,
  • and strong manufacturing processes.

Organizations that understand this relationship are far more successful at using Infor VISUAL ERP to improve manufacturing planning and operational performance.

Understanding How MRP Works in Infor VISUAL ERP

MRP inside Infor VISUAL ERP continuously evaluates manufacturing supply and demand conditions throughout the business.

The system analyzes:

  • open customer orders,
  • forecasts,
  • inventory balances,
  • work orders,
  • purchase orders,
  • lead times,
  • BOM structures,
  • and production schedules

to determine:

  • what materials are needed,
  • when they are needed,
  • how much is required,
  • and what planning actions should be taken.

The overall goal is relatively simple:
ensure materials and production capacity are available at the correct time without carrying excessive inventory.

Although the concept sounds straightforward, the calculations behind MRP can become highly sophisticated, especially in manufacturing environments with:

  • multiple product lines,
  • configurable products,
  • engineering dependencies,
  • long lead-time materials,
  • and complex production structures.

MRP essentially becomes the central coordination mechanism that connects purchasing, inventory, production, engineering, and customer demand together into a single planning environment.

Without MRP, manufacturers often operate reactively. With effective MRP, organizations gain significantly more visibility and control over future operational requirements.

Why MRP Is So Important for Manufacturers

Manufacturing operations are highly interconnected.

A delay in one purchased component may impact:

  • production schedules,
  • customer shipments,
  • labor utilization,
  • supplier relationships,
  • inventory levels,
  • and revenue recognition.

As manufacturing complexity grows, manually managing these dependencies becomes extremely difficult.

MRP helps manufacturers:

  • anticipate shortages,
  • identify future material requirements,
  • align purchasing with production,
  • stabilize manufacturing schedules,
  • and improve operational predictability.

For example, if a customer order is entered for a finished product, MRP can immediately determine:

  • which raw materials are required,
  • whether inventory already exists,
  • whether purchase orders must be created,
  • whether production capacity is available,
  • and when manufacturing activities should begin.

This visibility is extremely valuable for manufacturers operating in fast-moving environments.

Getting Unreliable Outputs from MRP in VISUAL ERP?

Sama's consultants help manufacturers stabilize MRP performance by fixing data quality, lead times, and planning parameters.

Why Many Manufacturers Struggle with MRP

Despite its benefits, many manufacturers become frustrated with MRP systems.

Common complaints include:

  • too many planning messages,
  • constant rescheduling recommendations,
  • inaccurate shortages,
  • unstable schedules,
  • excessive expedite requests,
  • and unreliable purchasing suggestions.

In reality, most MRP problems are not caused by the ERP software itself. Instead, they are usually caused by operational data quality issues or inconsistent planning processes.

MRP is only as good as the information it receives.

If inventory balances are inaccurate, BOMs are outdated, lead times are unrealistic, or production reporting is inconsistent, the MRP engine will naturally produce unreliable outputs.

This is why successful manufacturers treat MRP as a company-wide operational discipline rather than just an ERP module.

The organizations that achieve the best results with Infor VISUAL ERP typically focus heavily on:

  • data governance,
  • process discipline,
  • operational accountability,
  • and continuous planning improvement.

Inventory Accuracy Is the Foundation of MRP

One of the single most important requirements for effective MRP is accurate inventory data.

If inventory quantities inside Infor VISUAL ERP do not reflect physical reality, the entire planning process becomes unreliable.

For example:

  • if the system incorrectly shows inventory available when it is actually missing, production shortages will occur,
  • if inventory is overstated, unnecessary purchasing may occur,
  • and if transactions are delayed, planning visibility becomes distorted.

Inventory accuracy directly affects:

  • purchasing decisions,
  • production scheduling,
  • material availability,
  • and customer delivery performance.

Manufacturers using VISUAL ERP should therefore maintain strong inventory control processes including:

  • cycle counting,
  • barcode scanning,
  • transaction discipline,
  • lot traceability,
  • warehouse accuracy,
  • and timely inventory updates.

Organizations with high inventory accuracy generally experience significantly more stable MRP behavior.

In many cases, improving inventory discipline alone can dramatically improve MRP performance without making major ERP changes.

Bills of Material Must Be Accurate

Bills of Material are another critical foundation for effective MRP.

MRP calculations depend heavily on BOM structures to determine:

  • required materials,
  • component quantities,
  • assembly relationships,
  • and production dependencies.

If BOMs are inaccurate, MRP recommendations will also become inaccurate.

Common BOM issues include:

  • obsolete components,
  • incorrect quantities,
  • missing materials,
  • duplicate parts,
  • outdated engineering changes,
  • and inaccurate substitutions.

Even small BOM inaccuracies can create major downstream planning problems.

For example, if a required component is missing from the BOM, MRP may never recommend purchasing that material, eventually causing production shortages.

Conversely, incorrect quantities may drive excessive purchasing and inventory accumulation.

Manufacturers should therefore maintain disciplined engineering change control procedures to ensure production BOMs remain synchronized with actual manufacturing requirements.

Lead Time Accuracy Drives Planning Quality

Lead times play an extremely important role inside MRP calculations.

Infor VISUAL ERP uses lead times to determine:

  • when purchase orders should be placed,
  • when production should begin,
  • when materials should arrive,
  • and when finished goods can realistically ship.

If lead times are inaccurate, MRP recommendations quickly become unreliable.

For example:

  • overstated lead times may drive excessive inventory,
  • understated lead times may create constant shortages and expediting.

Lead times should reflect actual operational performance rather than historical assumptions.

Manufacturers should periodically review:

  • supplier lead times,
  • transit times,
  • production cycle times,
  • queue times,
  • subcontracting durations,
  • and inspection delays.

As supply chain conditions change, lead times must evolve as well.

Organizations that maintain realistic lead times generally experience significantly better MRP stability.

Getting Unreliable Outputs from MRP in VISUAL ERP?

Sama's consultants help manufacturers stabilize MRP performance by fixing data quality, lead times, and planning parameters.

Forecasting Improves MRP Stability

Manufacturers relying only on open Sales Orders often experience unstable MRP behavior because planning visibility becomes too short-term and reactive.

Forecasting helps stabilize the planning environment by providing future demand visibility beyond currently booked customer orders.

Infor VISUAL ERP allows organizations to incorporate forecast demand into the planning process.

Forecasting helps manufacturers:

  • improve purchasing visibility,
  • reduce emergency buying,
  • stabilize production schedules,
  • improve supplier planning,
  • and better manage long lead-time materials.

Forecasting becomes especially important for manufacturers experiencing:

  • seasonal demand,
  • volatile customer ordering patterns,
  • supply chain uncertainty,
  • or capacity constraints.

The earlier organizations can anticipate demand changes, the more effectively MRP can support operational planning.

Production Scheduling and MRP Must Work Together

MRP and production scheduling are tightly interconnected.

Even a highly accurate MRP system will struggle if production schedules constantly change.

Frequent schedule changes create:

  • unstable demand dates,
  • shifting material requirements,
  • excessive rescheduling messages,
  • and operational confusion.

Manufacturers should therefore maintain disciplined scheduling practices that balance:

  • customer priorities,
  • capacity availability,
  • labor constraints,
  • material availability,
  • and operational realities.

The more stable the production schedule becomes, the more reliable MRP outputs will be.

In many manufacturing environments, schedule discipline is just as important as ERP configuration.

Reducing Planning Nervousness

One common problem in MRP environments is planning nervousness.

Planning nervousness occurs when small operational changes create excessive rescheduling recommendations throughout the system.

Examples include:

  • constant expedite messages,
  • repetitive date changes,
  • unstable planned orders,
  • and excessive planning alerts.

This often happens when:

  • lead times are inaccurate,
  • schedules are unstable,
  • forecasts fluctuate excessively,
  • or planning parameters are poorly maintained.

Manufacturers can reduce nervousness by:

  • improving forecasting accuracy,
  • stabilizing production schedules,
  • reviewing planning policies,
  • adjusting safety stock strategies,
  • and maintaining cleaner operational data.

Reducing nervousness improves planner confidence and makes MRP recommendations far more actionable.

Safety Stock Strategy Is Important

Safety stock acts as a buffer against uncertainty in demand or supply.

Without adequate safety stock, organizations may experience:

  • shortages,
  • missed shipments,
  • and production interruptions.

However, excessive safety stock creates:

  • high inventory carrying costs,
  • storage inefficiencies,
  • excess working capital,
  • and inventory obsolescence risk.

Manufacturers using Infor VISUAL ERP should establish safety stock strategies based on:

  • supplier reliability,
  • lead time variability,
  • demand volatility,
  • and production criticality.

Safety stock levels should be reviewed regularly rather than remaining static for years.

The goal is to balance inventory protection with operational efficiency.

Purchasing Discipline Directly Impacts MRP

MRP assumes purchasing processes operate according to defined planning parameters.

If suppliers consistently deliver late or purchase orders are processed inaccurately, planning reliability deteriorates quickly.

Strong purchasing discipline includes:

  • realistic supplier lead times,
  • accurate receipt processing,
  • supplier performance monitoring,
  • and proactive supplier communication.

The better purchasing execution aligns with system assumptions, the more accurate MRP outputs become.

Supplier collaboration becomes especially important in volatile supply chain environments.

Getting Unreliable Outputs from MRP in VISUAL ERP?

Sama's consultants help manufacturers stabilize MRP performance by fixing data quality, lead times, and planning parameters.

Real-Time Production Reporting Matters

Production reporting accuracy directly affects MRP planning quality.

If work orders are not updated accurately, MRP may incorrectly assume materials remain available or production is progressing normally.

Manufacturers should ensure timely reporting of:

  • production completions,
  • material consumption,
  • scrap quantities,
  • labor reporting,
  • and work order status changes.

Real-time reporting improves visibility across the manufacturing operation and significantly enhances planning accuracy.

Organizations with delayed production reporting often struggle with unstable MRP behavior.

MRP Should Support Decision-Making

One important mindset shift is understanding that MRP should function as a decision-support system rather than a fully autonomous planning engine.

Experienced planners should evaluate MRP outputs alongside:

  • operational realities,
  • supplier conditions,
  • labor constraints,
  • customer priorities,
  • and production limitations.

The best manufacturing organizations combine:

  • strong ERP planning,
  • disciplined operational execution,
  • and experienced planner oversight.

Organizations that blindly follow every MRP recommendation without operational judgment often create instability.

MRP works best when combined with strong human decision-making.

Continuous Improvement Is Essential

MRP optimization is not a one-time project.

Manufacturing environments constantly evolve due to:

  • engineering changes,
  • supply chain shifts,
  • new product introductions,
  • operational growth,
  • and changing customer demand.

Organizations should therefore treat MRP management as an ongoing continuous improvement initiative.

Regular reviews of:

  • planning parameters,
  • BOM structures,
  • inventory accuracy,
  • lead times,
  • forecasting quality,
  • and scheduling discipline

help maintain long-term planning stability.

The manufacturers achieving the best results with Infor VISUAL ERP are typically those that continuously refine both their ERP configuration and operational planning processes.

Final Thoughts

Using MRP effectively in Infor VISUAL ERP requires far more than simply running planning calculations.

Successful MRP environments depend on:

  • accurate inventory,
  • disciplined operational processes,
  • reliable BOM structures,
  • realistic lead times,
  • strong purchasing execution,
  • accurate production reporting,
  • and stable scheduling practices.

Infor VISUAL ERP provides extremely capable MRP functionality for manufacturers willing to invest in strong operational discipline and continuous improvement.

When properly managed, MRP can help manufacturers:

  • reduce shortages,
  • improve production efficiency,
  • lower inventory costs,
  • improve on-time delivery,
  • stabilize manufacturing operations,
  • and increase overall planning visibility.

For manufacturers operating in increasingly complex and competitive environments, effective use of MRP inside Infor VISUAL ERP can become a major operational advantage and a key driver of long-term manufacturing performance.