Communications link failure The latest packet sent successfully to the server was 0 milliseconds ago (4215606)

When trying to connect to the server via Toad Intelligence Central getting the error:

Communications link failure

The latest packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

Connection refused: connect

Resolution 1
Make sure you can access the host address and it is up.

Resolution 2
Make sure the Toad BI App Server has started on the host.
Go Start|Run and type in services.msc
If it is not started, then start it

Resolution 3
If the Toad BI App Server service does not exist then download the server installer from
https://support.quest.com/softwaredownloads.aspx?pr=268448151&syn=Toad+Business+Intelligence+Suite