Extending a Web App on MOSS 2007

Hi, 

While trying to extend an application on a Load Balanced SharePoint Server(MOSS 2007), the IIS site is getting created on one of the server and not on the other one. 

Let me know if I am missing anything here. 

Regards<o:p></o:p>

Sudheer<o:p></o:p>

Thanks & Regards, Sudheer