title: (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) ERROR
body: <p>I'M getting crazied for that ERROR</p>
  
  <blockquote>
    <p>A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)</p>
  </blockquote>
  
  <p>MY Connection Poroperties for VS.NET 2008 Server Explorer</p>
  
  <p>Connection String:</p>
  
  <pre><code>Data Source=GOKTUG-PC;Initial Catalog=BILIN;Integrated Security=True;Pooling=False
  </code></pre>
  
  <p>Provider = .NET Framework Data Provider for SQL Server</p>
  
  <p>There is no problem at server explorer connection</p>
  
  <p>MY Connection String is</p>
  
  <pre><code>&lt;add name="BilinCnnStr1" connectionString="Data Source=GOKTUG-PC;Initial Catalog=BILIN;Integrated Security=SSPI;Min Pool Size=5;Max Pool Size=60;Connect Timeout=30" providerName="System.Data.SqlClient"/&gt;
      &lt;/connectionStrings&gt;
  </code></pre>
  
  <p>I think i have tried everything about that stuation and tried steps from the link at the below.
  Please Answer question if you have solve that problem...</p>
  
  <p><a href="http://blog.sqlauthority.com/2009/05/21/sql-server-fix-error-provider-named-pipes-provider-error-40-could-not-open-a-connection-to-sql-server-microsoft-sql-server-error/" rel="nofollow noreferrer">http://blog.sqlauthority.com/2009/05/21/sql-server-fix-error-provider-named-pipes-provider-error-40-could-not-open-a-connection-to-sql-server-microsoft-sql-server-error/</a></p>