---
sourceDocument: Australia IT Operations Management
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/it-operations-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# CMDB service classes

# CMDB service classes {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Service Reliability Management (SRM) typically supports several Configuration Management Database (CMDB) service classes.
Types of CMDB service classes that SRM supports:

* Service instances (cmdb_ci_service_auto)
* Technology management services (cmdb_ci_service_technical)
* Query-based services (cmdb_ci_query_based_service)
* Mapped application services (cmdb_ci_service_discovered)
* Calculated application services (cmdb_ci_calculated)
* Tag-based application services (cmdb_ci_service_by_tags)
{#sr-cmdb-service-classes__ul_xbj_2qj_xgc}