TCP/IP Connection To The Host {FQDN of SQL Server}, Port 1433 Has Failed

After installed Insights 2021.10, while creating/editing dashboard fields, it throws an error - "TCP/IP connection to the host {SQLServer FQDN}, port 1433 has failed." Also while downloading dashboard report, it is redirected to Looker page and shows error - "The Microsoft SQL Server 2016 Database Encountered An Error While Running This Query."

Update the database server name to IP address via installer of Insights.