http://blogs.msdn.com/sqlnativeclient/archive/2009/05/07/sql-server-native-client-connection-strings-and-ole-db.aspx(Anton Klimov, a developer on the SQL Server Native Client team, wrote the following article.) Connection strings for an OLE DB provider is a concept that causes a lot of confusion. One problem is that OLE DB itself does not define connection string asenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/sqlnativeclient/archive/2009/05/07/sql-server-native-client-connection-strings-and-ole-db.aspx#9592398Thu, 07 May 2009 03:00:13 GMT91d46819-8472-40ad-a661-2c78acb4018c:9592398SQL Server Native Client: Connection strings and OLE DB | ASP NET Hosting<p>PingBack from <a rel="nofollow" target="_new" href="http://asp-net-hosting.simplynetdev.com/sql-server-native-client-connection-strings-and-ole-db/">http://asp-net-hosting.simplynetdev.com/sql-server-native-client-connection-strings-and-ole-db/</a></p>