--- title: IO roles installed with Instance Observer description: Several types of components are installed with activation of the Impact plugin, including tables, user roles, and scheduled jobs that are used in Instance Observer. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/impact/impact-observer-roles.html release: australia topic_type: reference last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Monitor instance performance, Platform Health, Using Impact, Impact] --- # IO roles installed with Instance Observer Several types of components are installed with activation of the Impact plugin, including tables, user roles, and scheduled jobs that are used in Instance Observer. For roles specific to Instance Observer, see [Roles installed with Impact](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/impact/impact-roles.md). **Parent Topic:**[Monitor instance performance with Instance Observer](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/impact/io-overview.md)