To access data in Microsoft® SQL Server™ 2000, you must have the following software installed:
OLE DB consumer development requires Microsoft Visual C++® version 5.0.
SQLOLEDB requires one of the following:
To use SQLOLEDB to access data in SQL Server databases, you must have an instance of SQL Server 2000 or SQL Server version 6.5 or later installed; the catalog stored procedures must also be installed.
SQLOLEDB communicates with network software through the SQL Server Net-Library interface, which requires a Net-Library dynamic-link library (DLL). The Microsoft OLE DB Provider for SQL Server 2000 requires SQL Server 2000 Net-Library .dll files, which are installed when you run the client portion of SQL Server 2000 Setup.
Configuring Client Network Connections
Hardware and Software Requirements for Installing SQL Server