[JSup] can be installed as a [http://en.wikipedia.org/wiki/Windows_service|Windows service]. In this mode the given [JSup application|application] is run in [JSup execution modes|server-only mode] (no user interface).

This [JSup execution modes|execution mode] is useful for:
 * running the [JSup domains|shared domain] of [JSup] on an unattended server (in a server-room for example): the graphic user interface will run (when needed) on [JSup Command line options#Run JSup as a client|remote clients].
 * having the [JSup domains|shared domain] always running, even when you are not running the JSup graphic user interface. In this way the [JSup] service always stores [JSup Trend|trend data], [JSup Alarm history|archives alarms], [Invio email allarmi da JSup|sends alarm emails] (if requested) and so on. The [JSup Command line options#Run JSup as a client|JSup client] can be run when you need the view/edit something.
=== Service installation ===
To '''install''' JSup to run an [JSup application|application] as a service:
 * Open a [http://en.wikipedia.org/wiki/Command_Prompt_%28Windows%29|Command prompt].
 * Move to the directory where [JSup] is installed (normally "<TT>c:\Program files\JSup</TT>" or "<TT>c:\Programmi\JSup</TT>") with the [http://en.wikipedia.org/wiki/Cd_%28command%29|<TT>CD</TT> command].
 * Type the command: <TT>JSupSrv -install ''<code><appArchive></code>''</TT> <br/>(where ''<code><appArchive></code>'' is the full path of the [Archive or publish JSup application|published archive] of the [JSup application].

The JSup service is installed with manual startup: you can change this behaviour (to make the service to '''start automatically''' on system startup) using the Windows ''Services'' management console:
 * ''Control Panel / Administrative Tools / Services'' (for Windows XP).
 * Select ''JSup service'' in the service list.
 * Right click and select ''Properties''.
 * In the ''Startup type'' select ''Automatic''.
 * Click the ''Start'' button if you want to start the service now (and not at the next system restart).
 * Click on the ''Ok'' button.
Note: The JSup service usually take about 30 seconds to starts.