The Microsoft site still has a lot of information on its site that can tell you how to do this, additionally you can also use a HTML redirect or JavaScript too.
SOURCE: Procedures
To redirect requests to another Web site or directory
In IIS Manager, expand the local computer, right-click the Web site or directory you want to redirect, and click Properties.
Click the Home Directory, Virtual Directory, or Directory tab.
Under The content for this source should come from, click A redirection to a URL.
In the Redirect to box, type the URL of the destination directory or Web site. For example, to redirect all requests for files in the
Catalog directory to the NewCatalog directory, type /NewCatalog.
To redirect all requests to a single file
In IIS Manager, expand the local computer, right-click the Web site or directory you want to redirect, and click Properties.
Click the Home Directory, Virtual Directory, or Directory tab.
Under The content for this source should come from, click A redirection to a URL.
In the Redirect to box, type the URL of the destination file.
Select the The exact URL entered above check box to prevent the Web server from appending the original file name to the destination URL.
You can use wildcards and redirect variables in the destination URL to
precisely control how the original URL is translated into the
destination URL.
You can also use the redirect method to redirect all requests for
files in a particular directory to a program. Generally, you should
pass any parameters from the original URL to the program, which you
can do by using redirect variables.
To redirect requests to a program
In IIS Manager, expand the local computer, right-click the Web site or directory you want to redirect, and click Properties.
Click the Home Directory, Virtual Directory, or Directory tab.
Under The content for this source should come from, click A redirection to a URL.
In the Redirect to box, type the URL of the program, including any
redirect variables needed to pass parameters to the program. For
example, to redirect all requests for scripts in a Scripts directory
to a logging program that records the requested URL and any parameters
passed with the URL, type /Scripts/Logger.exe?URL=$V+PARAMS=$P. $V and
$P are redirect variables
.
- Select the The exact URL entered above check box to prevent the Web server from appending the original file name to the destination URL.