Just for completeness for new users
In your inetpub wwwroot directory you'll find files such as iisstart.htm.
Create a new file called default.htm in the wwwroot directory
Copy paste the below into it and adjust to the URL of innovator server
<!-- HTML meta refresh URL redirection -->
<p>The page has moved to:
<a href="https://<yourserver>/innovatorserver">ARAS Innovator</a></p>
accessing https://<yourserver> will be redirected to https://<yourserver>/innovatorserver making it easier for users and shortcut roll out.