User-848649084 posted
Hi,
You could try to set the below rule at the default web site to get this result http://localhost/TestWebApp1
<rule name="webapp1" stopProcessing="true">
<match url="^TestWebApp1/(.*)|^TestWebApp2/(.*)|^TestWebApp3/(.*)" />
<action type="Rewrite" url="http://localhost:8083/{R:0}" logRewrittenUrl="true" />
</rule>


default site structure:

below is test site structure:

Regards,
Jalpa