The short answer is: If you are building a new application or maintaining an existing one, you should almost certainly be using the Microsoft OLE DB Driver for SQL Server or ODBC Driver 17/18 for SQL Server instead.
Provider=SQLNCLI11;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass; Keep the old driver. Download sqlncli11.msi from Microsoft’s archive and install it on the web server. It will work with SQL Server 2012–2019 in backward compatibility mode. sql server native client download
If you’ve been searching for a download link for SQL Server Native Client (SQLNCLI) , you’ve likely encountered confusion. Is it on Microsoft’s site? Is it bundled with SQL Server? Why are there so many versions? The short answer is: If you are building