Does anyone have information on registry item SendSimpleAndTrackingEventsToClients ?

[scolew]

Can someone clarify the purpose of this registry object and recommended settings? Is it mentioned in any existing GeoSCADA documentation?

HKLM\SOFTWARE\Schneider Electric\ClearSCADA\DB\SendSimpleAndTrackingEventsToClients

[AndrewScott]

This setting relates to OPC AE events.

There are three types of OPC AE event: simple, tracking and condition.

When an OPC AE client (like ViewX) creates an event subscription with Geo SCADA's OPC AE server it will specify which types of event it wants. The setting acts as a filter on the types of event. When enabled all types of event are allowed, but when disabled only condition events are allowed.

Disabling this setting can improve performance when there are a large number of simple/tracking events and/or a large number of OPC AE clients subscribed to the events.

There is a related setting in ViewX called "Include Simple Events in Status Bar", see "Core Reference > Lists > Specify Whether Simple Events are Displayed in the Status Bar" page in the help. This page also has more background information on OPC AE events.