Cannot Connect to SQL SERVER

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TITLE: NOT able to  Connect to SQL Server
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ADDITIONAL INFORMATION:

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: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476

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Posted 28-Jan-14 18:31pm

durgesh j

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Karthik_Mahalingam 29-Jan-14 0:55am

post your connection string..

durgesh j 29-Jan-14 1:27am

this error occurs while starting the sql server
and the connection string is
SqlConnection con = new SqlConnection(@"Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=Demo_Tool;Data Source=GRAPHICS-02\SQLEXPRESS");

Karthik_Mahalingam 29-Jan-14 1:30am

can u able to open the SQL Studio ? and run the query in server ??

durgesh j 29-Jan-14 1:32am

No not able to open the studio that is the main issue

Karthik_Mahalingam 29-Jan-14 1:32am

make sure that the server is running ?
check in the services

durgesh j 29-Jan-14 1:34am

done all the necessaries , but still having the problem unistall and installation is done many times but the same result

Karthik_Mahalingam 29-Jan-14 1:40am

make sure your connection string is fine..
compare with http://www.connectionstrings.com/sql-server-2008/

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pprasad5 · Answer 1 · 2014-01-28T18:35:00

Solution 1

Start SQL Server from services.msc

Posted 28-Jan-14 18:35pm

pprasad5