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Asked: 2026-05-26T16:37:17+00:00

I have MS VS 2010 installed on my Windows 7 but, I don’t have

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I have MS VS 2010 installed on my Windows 7 but, I don’t have the SQL Server Native client installed in it.

After loading Visual Studio I do click menu Data / Transact-SQL Editor / New Query Connection.

The SQL Server 2008 R2 login dialog will show up, I type server name, select SQL Server authentication, type username and password and click connect. The connection is established and an editor window shows up and I’m ready to query!

I understand the SQL Server 2008 native client files are sqlncli10.dll, sqlnclir10.rll. I did search for these files in my entire hard drive and they weren’t found.

So, how is Visual Studio 2010 connecting to SQL Server 2008 if I don’t have the native client installed?

Is VS 2010, when connecting to SQL Server 2008, using .NET Framework assemblies?

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  1. Editorial Team

    If NO native client is installed, Visual Studio 2010 is using the .NET Framework version 4.0 to connect to SQL Server 2008 R2 when connecting through menu Data/Transact-SQL Editor/New Query Connection.

    I verified and it is loading assembly System.Data.dll (located under C:\Windows\Microsoft.NET\Framework\v4.0.30319) to establish the connection to the server.

    I have not installed the Native client 10.0 for SQL Server 2008 R2 and I’m not using it right now but, if installed, the native client files (sqlncli10.dll, sqlnclir10.rll, and s10ch_sqlncli.chm) should be found under 

    %SYSTEMROOT%\system32\

    which are installed as part of the SQL Server installation.

    There is also a redistributable installation program named sqlncli.msi, which should be found on the SQL Server installation CD under

    %CD%\Setup\

    The reference for installation details

    http://msdn.microsoft.com/en-us/library/ms131321.aspx

    And the reference for the SQL Server 2008 R2 Native Client Features

    http://msdn.microsoft.com/en-us/library/ms131456.aspx

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