Provider=MSOLEDBSQL19;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass;

If your application uses OLE DB providers (often legacy ADO/ADODB or C++ ICommand interfaces) and currently points to SQLNCLI11 , you must migrate to:

Provider=SQLNCLI11;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass;

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Provider=MSOLEDBSQL19;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass;

If your application uses OLE DB providers (often legacy ADO/ADODB or C++ ICommand interfaces) and currently points to SQLNCLI11 , you must migrate to: sql server native client download

Provider=SQLNCLI11;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass; you must migrate to: Provider=SQLNCLI11