One of the handy features of IIS7 is the ability to manage users from within IIS Manager, via the ASP.NET Membership, Roles and Profile providers. This doesn't work if your application is running under an ASP.NET 4.0 application pool, however. To work around this, an administrator can create a virtual application which runs under an ASP.NET 2.0 application pool; this application will inherit the provider settings from the parent website, while still being able to load the user administration a