error in running program with server

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dear friends,
i create setup file and instal it on another PC.
when run the software an error will show like this:
"A network related or instance-specific error occured while establishing to sql server.the server was not found or was not accessible.verify that the instance name is correct and that sql server is "
please help.what is the problem?

Posted 14-Aug-12 0:31am

FM7

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Timberbird 14-Aug-12 6:35am

Looks like you work with database in your development environment, and this database is unavailable from the server you install your software on

4 solutions

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Sachin Gargava · Answer 1 · 2012-08-14T00:47:00

Solution 3

please refer following link
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible.[^]

Posted 14-Aug-12 0:47am

Sachin Gargava

Updated 14-Aug-12 0:48am

v2

Patel Azharuddin · Answer 2 · 2012-08-14T00:36:00

Solution 1

Hi Dear.

you should check you database connection. Basically this error comes when you database like SQL Server is not running or your database path is wrong.

Posted 14-Aug-12 0:36am

Patel Azharuddin

**AmitGajjar** · Answer 3 · 2012-08-14T00:38:00

Hi,

This exception occur when,

1) You have setup incorrect Database Credential\Database server instance name\Database Name.(High possibility)
2) your database server is not accessible. (High Possibility)
3) Your SQL service is down.(Less possibility)

Hope you find solution from this information

Thanks
-Amit Gajjar

AshishChaudha · Answer 4 · 2012-08-14T02:02:00

Solution 4

"A network related or instance-specific error occured while establishing to sql server.the server was not found or was not accessible.verify that the instance name is correct and that sql server is "

Above error only shown when there is no connection established with the database. So first check the existence of SQL Server in your Setup file and also the connection.

Thanks
Ashish

Posted 14-Aug-12 2:02am

AshishChaudha

Comments

FM7 15-Aug-12 6:30am

my connection string is:
connection string="server=.,database=book,integrated security=sspi";

is it wrong?

AshishChaudha 15-Aug-12 13:54pm

what about login credentials???? userid and password