Window auth keeps reverting back! please assist!

 Hello

I created a website with log in using Windows auth! When debugging (f5) and running the application it was fine, always taking it from windows auth and not form auth
when i deployed it on an IIS Server (local) it reverted back to forms method

My web config is as below..

IIS is set to "Integrated windows auth" 
 
I dont know what else to try...?
 
Please help!!!

 <?xml version="1.0"?>
<!--
    Note: As an alternative to hand editing this file you can use the
    web admin tool to configure settings for your application. Use
    the Website->Asp.Net Configuration option in Visual Studio.
    A full list of settings and comments can be found in
    machine.config.comments usually located in
    \Windows\Microsoft.Net\Fra ...