The underlying provider failed on Open：

The underlying provider failed on Open in entity framework connection up vote 0 down vote favorite 1 i use Entity framework in .net 4 and use this ...

The underlying provider failed on Open. I've checked: Connection between server and computer is normal I can login to the database with username test...

I got this error this weekend "The underlying provider failed on Open." when trying to access EntityFramework in my local machine. This is my ...

Entity Framework: The underlying provider failed on Open - through WCF service up vote 0 down vote favorite 1 I have a WCF service that runs on IIS...

The underlying provider failed on Open Exception in WCF; Author: venugopalm; Updated: 12 Nov 2010; Section: Silverlight; Chapter: Web Development; ...

Need some help with "The underlying provider failed on Open" Can anybody help me on this issue? I set the ASP.NET Web application as start project...

The underlying provider failed on open, Could not open a connection to SQL Server, error: 40, sql server error 53

Message: The underlying provider failed on Open. StackTrace:  at System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, ...

Yesterday while working on an ASP.Net MVC application, I got an error like this from Entity Framework Data Context. The problem started when I deployed...

When I try to insert a record, I get this error : The underlying provider failed on Open. This error occurs only with IIS and not with VWD 2008...