PSIcapture Mailroom - Deployment Manager Error on Opening - System.ApplicationException - The underlying provider failed to Open.

Problem:

After installing PSIcapture Mailroom and attempting to open the Deployment Manager, the following error appears when the Deployment Manager Application loads:

The error starts:

System.ApplicationException - The underlying provider failed to Open.

Within the first line of the details, the error goes on to describe "A Network related or Instanace-Specific Issue was detected when attempting to connect to the SQL Server"... and continues.

Solution:

Under C:\ProgramData\PSIGEN\Fusion, edit Deployments.XML and ensure the SQL instance and SQL Database names are correct, as pictured in the screenshot below: