can not connect to remote SQL Express 2005

Hi,
I am having problems with my Visual Studio 2005 VB.net win app connecting
to SQL Express. I have configured my SQL Express to enable remote
connections, I believe it is correct, since others in the office can connec
t
to it using MS SQL Server Management Studio, and I can make a successful tes
t
ODBC connection from the client computer, using both named pipes and tcpip.
But my VB.net app can not connect on the client computer, I get error -
System.Data.SqlClient.SqlException: An error has occurred while establishing
a connection to the server. When connecting to SQL Server 2005, this failur
e
may be caused by the fact that under the default settings SQL Server does no
t
allow remote connections. (provider: Named Pipes Provider, error: 40 - Could
not open a connection to SQL Server).
This app runs fine on the machine the SQL Express is running on (Windows
2000). My connection code is: Data Source=xxx\sqlexpress;Initial
Catalog=xxx;User ID=xxx;Password=xxx. I have tried putting np: and tcp: wit
h
the port on the data source, but then the code doesn't run on the app on the
server...
Anybody know what I am doing wrong?
Thank you for any help.
SandyHi,
any blocking firewall in the machine ? See if you can open up a
connction using the SQLCMD application from the command prompt.
HTH, Jens K. Suessmeyer.
http://www.sqlserver2005.de
--|||Hi, Yes I can open a connection using SQLCMD, specifying both tcp with port
,
and specifying np. The client machine doesn't have SQL installed, but the
odbc connections worked.
Sandy
"Jens" wrote:

> Hi,
> any blocking firewall in the machine ? See if you can open up a
> connction using the SQLCMD application from the command prompt.
> HTH, Jens K. Suessmeyer.
> --
> http://www.sqlserver2005.de
> --
>