OnCommand Insight E-Series datasource Inventory status "Error connecting: Failed to connect to device"

Applies to

• OnCommand Insight (OCI) 7.3.X
• E-series data source

Issue

Unable to add E-series datasource in OnCommand Insight and it fails with the
following error:
" Inventory recent status : Error connecting: Failed to connect to device"

Error in foundation Logs:

2019-02-14 01:22:23,387 ERROR [com.onaro.sanscreen.acquisition.datasource.engenio_santricity_api.transport.EngenioManagementPat h] Could not open address ipaddress, Connection refused: connect java.net.ConnectException: Connection refused: connect

2019-02-14 01:22:24,526 ERROR
[com.onaro.sanscreen.acquisition.framework.datasource.BaseDataSource] hostname [Error
connecting] - Failed to connect to device (Failed to connect to device)
com.onaro.sanscreen.acquisition.framework.datasource.DataSourceErrorException: Failed to connect
to device