Microsoft SQL Server Native Client (often abbreviated as ) is a stand-alone data access Application Programming Interface (API) used for both OLE DB and ODBC connections to Microsoft SQL Server. It was introduced with SQL Server 2005 to combine the SQL OLE DB provider and the SQL ODBC driver into a single dynamic-link library (DLL).
If you require the Native Client for older applications, the final supported version is .
MultiSubnetFailover: Critical for high-availability clusters.
Microsoft has officially deprecated SQL Server Native Client. New development projects should use the Microsoft ODBC Driver for SQL Server or the Microsoft OLE DB Driver for SQL Server (often referred to as MSOLEDBSQL). However, existing applications compiled against SNAC often require the specific legacy driver to function correctly.



