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IT Canvass
ServiceNow Best Practices · Lesson

CMDB best practices

Quick answer

A CMDB is only as useful as it is trusted.

A CMDB is only as useful as it is trusted.

  • Route every inbound source through IRE, never load CIs directly.
  • Populate relationships, not just CIs, or you lose impact analysis.
  • Assign ownership per CI class and monitor CMDB Health.
  • Model only what a process actually uses, avoid over-modelling.
  • Define reconciliation rules so the authoritative source wins per attribute.

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Check your understanding

  1. What must every inbound CI source go through?

    • A. IRE
    • B. A client script
    • C. A report
    Show answer

    A. IRE

    IRE prevents duplicates.

  2. Losing relationships costs you what?

    • A. Impact analysis
    • B. Logging
    • C. Form layouts
    Show answer

    A. Impact analysis

    Relationships drive impact and dependency mapping.

Frequently asked questions

What does the term CMDB best practices refer to in ServiceNow?

A CMDB is only as useful as it is trusted.

What is worth remembering about CMDB best practices in practice?

Route every inbound source through IRE, never load CIs directly. Populate relationships, not just CIs, or you lose impact analysis. Assign ownership per CI class and monitor CMDB Health.
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