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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Configure Service Mapping to work with the Configuration Management Database (CMDB)

Configure Service Mapping to use the existing data within your CMDB to run top-down discovery and map application services.

Before you begin

Verify that the necessary tables are populated with data according to the process explained in CMDB-based mapping.

  • Transmission Control Protocol (TCP) Connection [cmdb_tcp] table
  • Running Process [cmdb_running_process] table
  • Hardware [cmdb_ci_hardware] table

Confirm that you have installed the Service Mapping Plus August 2024 version from the ServiceNow® Store.

Role required: service_mapping_admin

Procedure

  1. Enter sys_properties.list in the navigation filter.

  2. In the System Properties [sys_properties] table, search for the sa.topdown.enable_cmdb_based_mapping property.

  3. Set the sa.topdown.enable_cmdb_based_mapping system property to configure Service Mapping to use the data in your CMDB.

    1. Confirm that the Type field value is set to true|false.

    2. Set the Value field to true.