When I run my Asp.net MVC application over IIS Express It works fine but when i switch it to Local IIS it gives me this error

Question

When I run my Asp.net MVC application over IIS Express It works fine but when i switch it to Local IIS it gives me this error

System.Data.Entity.Core.EntityException: 'The underlying provider failed on Open.'

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Answer 1

So there may be you should check connectionstring and also please check below link

An exception of type 'System.Data.Entity.Core.EntityException' occurred in EntityFramework.SqlServer.dll but was not handled in user code