Specifications

Level One: Protege GX Installer Study Guide | August 2013 185
Protege GX Data Service
The Data Service is responsible for:
 Communications between the Protege GX services
 Communications between the Protege GX server and the MS SQL databases
 Communications between the Protege GX client and Protege GX server
Download
Service
Event
Service
DVR
Services
Data
Service
Event
Database
GX
Database
GX Client(s)
Stopping the Data Service
The Data Service is the central point for all communication, and cannot be stopped without adversely affecting
the system. It must be running for the Protege GX server to function. Stopping the Data Service will take all GX
clients offline, and prevent configuration changes and operator monitoring of the system.
Before stopping the Data Service, all clients should be shutdown. This ensures that all operators know that the
system is about to be stopped, and that the client is logged in correctly once the Data Service is restarted.
Starting the Data Service
When starting all services, such as after restoring a database or installing a software upgrade, start the Data
Service first. The system will then automatically start the other critical Protege GX services, excluding the
Download Service. The Download Service must be started manually once you are sure of the integrity of your
system configuration database.
If the Protege GX Data Service fails to start, it is most likely due to a corrupt database or where a database that
has been restored is a different version to that of the Protege GX server. Any errors encountered by the service
are logged to the Windows Event Viewer.