Additional Event Management setup tasks After setting up and configuring Event Management to receive and process events and generate alerts, you can perform additional setup activities. Create a manual serviceManual service that is a business service that you manually create by selecting CIs to include in the service. Create a technical service Technical service that is a dynamic grouping of CIs, based on some common criteria. For example, you can create a technical service based on location for all web servers or all Oracle databases in Boston.Create an alert groupAn alert group is a set of alerts that meet special criteria for a particular business service. Assign a role to a service groupTo ensure that group members can manage and act on alerts, assign an Event Management role to the business service group. Control user access to business servicesAssign user roles to service groups to control user access to business or IT services in your organization. Organize business services into groupsArrange business services by groups to perform some actions simultaneously on multiple services. Use service groups to control user access to services. In Event Management, you can track service health by service groups. Configure domain separationYou can configure Event Management for domain separation to create logically defined domains that limit unauthorized access to data. With domain separation, Event Management users can only see and manage alerts and events from their own domain.Get top-down discovery service mappingA top-down discovery provides a list of CIs and their interrelationships. This information is useful for managing software services and hardware issues that are associated with alerts.Rotate event tables and alert table cleanupThe growth of data tables impedes performance. Preserve instance performance by event table rotation and alert table cleanup for status and alert history retention.Configure email notification on business service severity changeConfigure an email notification to notify users when there is a business service severity change.Configure SNMP Trap collection for high availabilityFor SNMP traps, the MID Server requires failover configuration for the trap listener. Integrations, applications, and data-sources You can activate a ServiceNow provided integration or integrate with third-party applications.