sql server could not connect on the remote server?

i have the below code to connect the sql server on my asp web application, it is not connecting, it gives me the error,

my db connect
================
 Set ObjConn      = Server.CreateObject ("ADODB.Connection")
   Set ObjRs      = Server.CreateObject("ADODB.Recordset")

   ObjConn.Open "Provider=SQLOLEDB; Data Source=ip address; Initial Catalog=dbname; User Id=testxxx; Password=xxxx;"
   ObjRs.ActiveConnection = ObjConn

ERROR
==============
Microsoft OLE DB Provider for SQL Server error '80004005'

[DBNETLIB][ConnectionOpen (Invalid Instance()).]Invalid connection.

/test/staging/includes/dbConnect.asp, line 21
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