SQL Server Fails - Invalid Host Name or IP Address

2. Adding a SQL Server fails with error message "Service is not Running. Root Cause: Ping to <Hostname> failed" or error message "Invalid Host Name/IP Address"

Reason  : Either the SQL Server Host name / Ip is wrong or that SQL Server is currently down or there is a firewall blocking connections between SQL Server and the SQLDBManager
Solution : Check if you can ping the SQL Server using the Host name and Ip from the SQLDBManager plus server. Also make sure that the SQL Server Host name and Ip are properly resolved from SQLDBManager plus server.