Unit 2 of 3
Identification and Reconciliation Engine (IRE)
15 min
+150 points
Learning objectives
When you finish this unit, you will be able to:
- Identify when and how to use IRE.
Identification and Reconciliation Engine (IRE)
IRE is ServiceNow's engine for matching incoming CI data to existing records and reconciling attributes from multiple sources.
What IRE does
- Identification: determines whether an incoming record matches an existing CI or should create a new one.
- Reconciliation: merges attribute values from multiple data sources according to defined rules.
When to use IRE
Use IRE when integrating discovery tools, imports, or other data sources that feed the CMDB. Proper IRE configuration prevents duplicate CIs and ensures authoritative data wins during reconciliation.
Exam focus: recognize scenarios where IRE is the right approach and understand how identification and reconciliation rules support data quality.