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Editorial Team
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Asked: 2026-05-22T16:14:52+00:00

I’ve had some problems connecting with my database in a web application. The database

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I’ve had some problems connecting with my database in a web application. The database is a .mdf and sits in my App_Data Folder. I’m using IIS 7.5 to run and debug my website.

I got following error:

Troubleshoot Error: An attempt to
attach an auto-named database for file
database location failed. A
database with the same name exists, or
specified file cannot be opened, or it
is located on UNC share.

I came up with this solution:

http://www.dotnetfunda.com/articles/article905-troubleshoot-error-an-attempt-to-attach-an-autonamed-database-for-file-l-.aspx

BUT this involves leaving my computer’s login and password wide open in the web.config. As you may understand, I’m not too happy about that… Is there a way to hide my password from the web.config or solve this problem otherwise? Thanks.

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1 Answer

  1. Editorial Team

    Assuming your storing it in connection strings – since ASP.NET 2.0, you can encrypt any section…

    run from your site root..

    G:\content\snippet-site>C:\Windows\Microsoft.NET\Framework64\v2.0.50727\aspnet_regiis -pef “connectionStrings”

    This should do the trick.

    A bit more info…
    http://weblogs.asp.net/scottgu/archive/2006/01/09/434893.aspx

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