Failed to update database \APP_DATA\ASPNETDB.MDF because the database is read-only


Failed to update database "C:\INETPUB\WWWROOT\COMPUZIT\APP_DATA\ASPNETDB.MDF" because the database is read-only.

Today when I configured IIS on Windows 7 machine, my all websites displayed titled error, when I googled the fix then I got following that fixed my error.

1.) Make sure your virtual directory is running ASP.NET.
2.) Give the user ASPNET full control over the App_Data directory found within your website.
3.) Restart IIS to refresh its permissions.

I hope this post will help you to fix your machine error.

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