WPAD is working or not

Some background about WPAD, before I start the core discussion.As per http://technet.microsoft.com/en-us/library/cc713344.aspx ISA Server uses the Web Proxy Automatic Discovery (WPAD) protocol, which allows automatic discovery of Web Proxy servers. ISA Server uses WPAD to provide a mechanism for clients to locate a WPAD entry containing a URL that points to a server on which the…