In most cases, the content you publish to your Web site is located in a home directory on your computer, such as C:\Inetpub\Wwwroot\. However, there might be instances when the content is located in another directory, or even on a remote computer.
To be able to publish content from any directory not contained within your home directory, you must create a virtual directory. A virtual directory is a directory that is not contained in the home directory but appears to client browsers as though it were. You can create a virtual directory by using IIS Manager or by using Windows Explorer.
Credentials: Membership in the Administrators group on the local computer.
As a security best practice, ...