Additional Event Management setup tasks After 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. Configure a service groupA service group is a way to organize and track service health by logical groups. Service groups ensure that the appropriate personnel can address alerts. 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. 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.Purge status, events, and alert historyYou can configure automatic table cleanup to improve performance. Automatic table cleanup is recommended for status, event, and alert history retention.