A service must be activated before it can be started or stopped. To activate a service, choose Tools > Service Activation.
To start a service, follow these steps:
From Cisco Unified Communications Manager Administration, choose Cisco Unified Serviceability from the Navigation drop-down list and clickGo.
Choose Tools > Control Center - Feature Services.
Choose the primary Cisco Unified Communications Manager server from the Server drop-down list. The window displays the service names for the server that you chose, the status of the services, and a service control panel to start or stop a service.
If a service has stopped, click the corresponding radio button and then click Start. The Service Status symbol changes from a square to an arrow.