ASP连接MSSQL的错误: 拒绝访问

HTTP/1.1 200 OK Server: Microsoft-IIS/5.1 Date: Sun, 11 Jun 2006 00:59:27 GMT Connection: close Content-Length: 65 Content-Type: text/html Cache-control: private

<%
dim SqlLocalName,SqlUsername,SqlPassword,SqlDatabaseName,Conn,ConnStr,db,Err_OpenDatabase
SqlLocalName ="(local)" '连接IP [ 本地用 (local) 外地用IP ]
SqlUsername ="sa" '用户名
SqlPassword ="zhengque" '用户密码
SqlDatabaseName="vnut" '数据库名
Set conn = Server.CreateObject("ADODB.Connection")
connstr = "Provider=Sqloledb; User ID="& SqlUsername& "; Password="& SqlPassword& "; Initial Catalog = "& SqlDatabaseName& "; Data Source="& SqlLocalName& ";"
conn.Open connstr
sub CloseConn()
On Error Resume Next
Conn.close
set Conn=nothing
end sub
%>