No access from Application to SQL Server 2000

I have installed the SQL Server 2000 and its up running.

I can connect to the database direct as administrator, but my test application(asp.net 2.0) returns an exception.

SqlConnection sqlConn = new SqlConnection("data source=10.61.90.24;initial catalog=testdb;persist security info=False;user id=sa;pwd=data;Type System Version=SQL Server 2000;");

sqlConn.Open();

I receive this exception:

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

This is a configuration problem. You need to go into the 'SQL Server Configuration' tool and enable Named Pipes.

Regards

Paul.

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I have enabled Named Pipes.The connection is still failed.

thanks.