Dispatcher Paragon Embedded Terminal for Konica Minolta support native application failover. That means that the Authentication, Print and Scan applications installed on the device can have registered 2 different Dispatcher Paragon servers to connect to. When the current endpoint fails to response to an application request, the application switches to the other one and use it as long as the endpoint is responding.

Limitations

Jobs history is not working correctly.
Only native Terminal mode is supported.

Prerequisites

MFD must support OpenAPI setup version 4.1 or higher.
Spooler controllers must be in the same Spooler controller group.
Etcd must be enabled.

Enable etcd

Log in to the Dispatcher Paragon management interface with sufficient rights to administer printers (for example, "admin").
Go to System > System settings
Set enableEtcd property to enabled and save the configuration.
Restart the Dispatcher Paragon Terminal Server service on all Management and/or Site servers.
Reinstall Embedded terminals after this change.

When enabled, etcd will be run with Terminal Server.

Enabling application failover

For SafeQ 6 MU15 and newer:

Log in to the Dispatcher Paragon management interface with sufficient rights to administer printers (for example, "admin").
Go to System > System settings.
Set KMApplicationFailover property to enabled.
Set also enableNetworkLoadBalancer property to enabled and save the configuration.
Restart the Dispatcher Paragon Terminal Server service on all Management and/or Site servers.
Reinstall Embedded terminals after this change.

For SafeQ 6 MU14 and older:

This way can also be used if you want to enable application failover only for a SPOC group but not globally.

In the TerminalServer.exe.config file insert the following line into <appSettings> section:
<add key="KMApplicationFailover" value="true" />
This must be done on all nodes of the Spooler Controller group.
Restart of Terminal Server service is required after this change.
Reinstall Embedded terminals after this change.