IBM Cognos 8 installs one dispatcher on each computer by default. Each dispatcher has a set of associated services, listed below:

Agent service - runs agents

Batch report service - manages background requests to run reports and provides output

Content Manager service - performs object manipulation functions in the content store

Data movement service - manages the execution of data movement tasks (ETL), such as Builds and JobStreams, created in Data Manager Designer

Delivery service - sends emails to an external SMTP server on behalf of other services

Event management service - creates, schedules, and manages event objects that represent reports, jobs, agents, content store maintenance, deployment imports and exports, and metrics

Job service - runs jobs by signaling the monitor service to run job steps in the background

Log service - captures log messages generated by the dispatcher and other services

Metric Studio service - provides the Metric Studio user interface for monitoring and entering performance information

Migration service - manages the migration from Cognos Series 7 to IBM Cognos 8

Monitor service - manages the monitoring and execution of tasks that are scheduled, submitted for execution at a later time or run in background. It also creates history objects and manages failover and recovery.

Planning job service - manages communications with the Planning Job Server subsystem.

Planning web service - manages communications with Contributor Web and Contributor Add-in for Excel users.

Planning administration console service - manages communication with the Contributor Administration Console

Planning data service - manages communications for real-time reporting from Contributor plan data in IBM Cognos 8.

Presentation service - transforms generic XML responses from another service into output format, such as HTML or PDF. Presentation service processes the request when a user launches saved output in Cognos Connection and views it in Cognos Viewer.

Report data service - manages the transfer of report data between IBM Cognos 8 and applications that consume the data, such as IBM Cognos 8 Go! Office and IBM Cognos 8 Go! Mobile.

Report service - manages interactive requests to run reports and provides output for Cognos Connection. The service (is responsible for generating HTML pages)

System service - defines the Business Intelligence Bus API compliant service used to obtain application wide IBM Cognos 8 configuration parameters.

In Cognos Administration, the services listed are only services that are enabled in Cognos Configuration.