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  1. #1
    Join Date
    Sep 2004

    Unhappy Unanswered: Connecting to SQL Server 2000 Named Instances

    We are having all kinds of issues with named instances for SQL 2000.

    I am trying to connect to a SQL Server 2000 named instance on a different subnet and get an error. I cannot connect with ODBC or our web app.

    I am using the port number for the alias that I created in the SQL Client Utility. We can connect to default instances without a problem, but not the named instances.

    The SQL Server is 2000 build 2040 (Service pack 4 with a hot fix.) The server is listening on port 1223. In the ODBC connection I click on the Network Config and create an alias with the named instance such as SQLVSN\SQLNI and specify port 1223. I have also tried adding the port to the connection string in the ASP include file (SQLVSN\SQLNI,1223). If I do the same thing with a default instance on the network, both the app and ODBC work fine. It is only when I use a named instance.

    Very frustrated. Thanks for any help you can provide

  2. #2
    Join Date
    Aug 2006
    San Francisco, CA
    It shouldn't be much different. Here is a connection string in ASP which I use for our internal webpage.

                Set objConn = Server.CreateObject("ADODB.Connection")
                Set objrs   = Server.CreateObject("ADODB.Recordset")
                objConn.Open "Driver={SQL Server};" & _ 
                "Server=SERVERNAME\INSTANCENAME;" & _
                "Database=DATABASENAME;" & _
                "Network=NETWORKNAME;" & _
                "Uid=USERNAME;" & _
                str = "SELECT bla bla FROM bla bla WHERE bla bla;"
                set objrs=objConn.execute(str)
    I know all about security and dynamic SQL queries; this is just a proof of concept

  3. #3
    Join Date
    Sep 2004
    That's what we have. The app works on one of the servers that are on the same subnet, but not the one on a different subnet.

    The one that is on the other subnet can't connect when I try to create an ODBC connection as a test. This goes for all named instances in the company, for which we have quite a few because we have several SQL Server Cluster Groups setup. However, I can create an ODBC connection to a default instance with no problem what so ever.

    I have to be overlooking something when it comes to named instances.

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