Access Sql Server 2008 through internet

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SQL-Server-2008

Hi,

I am having an application in C#.net with Sql server 2008.
I can access the database through LAN using IP address with following connection string

ConnStr = "Data Source=IP Address,TCP port; Network Library=DBMSSOCN; Initial Catalog=DB; User ID=Sa; Password=pass";

Now I want to access the same database through WAN.
I did all setting using
http://msdn.microsoft.com/en-us/library/ms345343(SQL.105).aspx
and using the same above connection string it given me error as

“A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)**”

Please help me to sort out above problem.

Posted 2-Jul-12 0:24am

sheetal.gawde

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sinhasourabh · Answer 1 · 2012-07-02T00:31:00

I hope you have undergone Connecting to SQL Server over the Internet
in MSDN.

I have tried the same long back and telling it is very difficult to achieve if you dont have your own server. You need to get rid of network, firewall and SQL server. Also you need to get in touvh with your ISP for port opening. Also make sure that your are fetch your public IP Address. It took almost a week to make thi shappen.