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A full Presence installation can consist of several processes.


Firstly there are 2 services.

An RPC (Remote Program Call) Service, which is used to enable Presence installations running on different machines to communicate with each other.

All machines that are running a Presence Server should be running the RPC service as this lets the Heartbeat talk to the Presence Server.

The RPC service runs the prpc.exe.

The Heartbeat Service controls the main Presence apps and should be running on the same machine as which the Presence database is installed. Even in a multi server environment there should be only one Heartbeat Service running. This controls the Database Server the Presence Servers and the httpservers.

The Heartbeat Service Runs the hbserver.exe

Starting the Heartbeat Client (on any machine) will let you identify which Programs are running (and on which machines).


You can tell which Presence processes are running through the Task Manager.

If you wish to kill a process be sure to right click and select 'End Process Tree' as this will kill the exe and the associated java.exe process.

channelman.exe - manages channels

dbserv.exe - runs the internal presence database service

hbserver.exe - runs the heartbeat service to monitor and restart the registered services (Database/Presence Servers/Httpserver)

httpstart.exe - The http server

presadmin.exe - The Presence Admin Console

presenceserver.exe - The Presence Server 

prpc.exe - The Remote Program Call program