This documentation supports the 9.1.04 version and its patches of BMC Atrium Core. The documentation for version 9.1 to 9.1 Service Pack 3 and its patches is available here.

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Merging duplicate CIs by reconciling data from multiple sources

The reconciliation process helps create a reliable and robust production data set in the CMDB. In the first part of this process, the normalization process standardizes information about the discovered configuration items (CIs). Then, the reconciliation process identifies and merges duplicate CIs.

Best Practice

We recommend that you reconcile only CIs that have been normalized or that do not require normalization. To reconcile the appropriate CIs, enable the Process Normalized CIs Only option in the Create Job or Edit Job window.


Define the precedence value for a dataset in a merge activity.Creating precedence sets and associations for reconciliation merge activities
Create rules to limit the number of instances that a reconciliation activity processes.Creating qualification rules for reconciliation activities
Create a set of prioritized rules that define how CI instances in different data sets are identified as the same entity.Configuring reconciliation custom identification rules
Create a reconciliation job that uses all the precedences, qualification rules, and identification rules to run the reconciliation process.Standard reconciliation jobs

Reconciliation engine permissions

To configure the reconciliation engine, you must have the following permissions:

  • CMDB RE User
  • CMDB RE Definitions Admin
  • CMDB RE Manual Identification

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