In this blog, I would share the steps to identify and fix error – The account running SQL Server Setup does not have administrator rights on the computer.
SQL SERVER – Installation Failure – Specified Instance Via Transform is Already Installed. MSINEWINSTANCE Requires a New Instance that is not Installed
This is one of the situations where my client installed one clustered instance of SQL Server and the second one was failing. In this blog, I would share my findings of error: Specified instance via transform is already installed. MSINEWINSTANCE requires a new instance that is not installed.