Posted on: 8/5/2015 8:12:54 PM | Views : 790

Hi,
I have a Web application in VB.NET using SQL Express as backend database.  The web app works fine in Debug mode both in development machine and production server (No error at all).  However, when viewing the web app using a web browser, I get this error: "Attempted to perform an unauthorized operation.  ASP.NET is not authorized to access the requested resource...", etc.
The Web app is using SQL Authentication, "Forms" authentication mode, and AspNetSqlMembershipProvider.  Our IDE is Visual Studio 2013.  Users login via a Login Form.
Is this a permission problem in SQL Server? 
Appreciate any response.

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