Asp.net configuration, security part error
<p>I use visual studio 2010 and I have a problem when I want to add a username and a password using asp.net configuration and I have this error :</p>

<p>" Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance. The connection will be closed. "</p>

<p>I search for a solution for this problem but I didn't find one , so I hope someone can help me and I will be so thankful ...</p>
