Inventory accuracy is the foundation of any successful Technology Expense Management (TEM) program. Without it, cost optimization, vendor management, and reporting all become unreliable. Practitioners should routinely validate inventory using four critical attributes to ensure integrity and control.
Pillar #1: Physical Validation
Start by confirming that each inventory element terminates at a known, valid physical location. This includes offices, data centers, or remote endpoints. If a circuit, device, or service cannot be tied to a real location, it introduces financial and operational risks. Orphaned or mislocated assets are a common source of unnecessary spending.
Pillar #2: Logical Validation
Next, ensure each inventory item is logically assigned to a known user, business unit, or department. Logical alignment enables accountability and supports accurate chargebacks or cost allocation. When ownership is unclear, services tend to persist long after they are needed, driving waste.
Pillar #3: Financial Validation
Validate that each inventory element is billed according to the correct contractual rate. This requires comparing invoices against contract terms, pricing schedules, and any negotiated discounts. Even small discrepancies, when multiplied across large inventories, can result in significant overspend.
Pillar #4: Change Validation (MACD)
Finally, determine whether any Moves, Adds, Changes, or Disconnects (MACDs) are pending against the inventory. Untracked or delayed MACDs often lead to billing errors and outdated records. A strong validation process ensures that inventory reflects the current state, not what existed months ago.
Putting Inventory Validation into Practice
For example, consider a WAN circuit still being billed. Physical validation shows it terminates at a closed office. Logical validation reveals no assigned owner. Financial validation confirms full billing continues. Change validation shows no disconnect order was ever submitted. This single oversight can persist indefinitely without structured validation.
By consistently applying these four validation lenses (physical, logical, financial, and change), TEM practitioners can significantly improve inventory accuracy, reduce costs, and strengthen governance.
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