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What does the underlying provider failed on Open mean?
A variation of this issue is when the user that opens the user instance connection has read permissions on the database files but does not have write permissions. If you get a message saying that the database is opened as read only, you need to change the permissions on the database file.
What does integrated security True mean?
Integrated Security = true : the current Windows account credentials are used for authentication. Integrated Security = SSPI : this is equivalant to true. We can avoid the username and password attributes from the connection string and use the Integrated Security.
What does ExecuteScalar return?
The ExecuteScalar() executes SQL statements as well as Stored Procedure and returned a scalar value on first column of first row in the returned Result Set. If the Result Set contains more than one columns or rows , it will take only the value of first column of the first row, and all other values will ignore.
How do I disable integrated security?
In the Server Properties dialog box, under Select a page, select Security.
- To turn on Windows integrated security, select the Enable Windows integrated security for report data sources option.
- To turn off Windows integrated security, unselect the Enable Windows integrated security for report data sources option.
What does the underlying provider failed on open mean?
But unfortunately I got the strange exception called “The underlying provider failed on Open”. I googled more than an hour and found that most of the folks facing the same issue when they try to call the service which contains database access in local sql server through IIS. But no one is providing proper solution for this issue.
Why did Entity Framework the underlying provider failed on open?
ERROR : An exception of type ‘System.Data.Entity.Core.EntityException’ occurred in EntityFramework.SqlServer.dll but was not handled in user code Additional information: The underlying provider failed on Open. Thanks for contributing an answer to Stack Overflow!
Why is MY SQL Server provider not open?
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) I know it might be a network problem but I’ve turned off the firewall of server and also my computer and tried again but still not success..
An exception occurred when trying to issue security token: The server was unable to process the request due to an internal error.