DSN anomaly

  • Does anyone have any idea why when I specify the actual Server Name in my DSN it'll allow me to create multiple connections to my SQL Server using a variety of logins. But, when I specify the Server I.P. address I can only create one connection with my DSN, if I try and create any more I get this error:

    Connection Failed

    SQL State: '0100o'

    SQL Server Error: 14

    [Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]ConnectionOpnen (Invalid Instance()).

     

    Thanks in advance.

    Adam

     

  • Are you attempting to connect to a named instance? It could be a case of not including the instance name when attempting the connection through the IP, this is especially true if the machines are on seperate subnets.



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