Help needed in Crossing the Firewall

[Unregistered]

Hi All,
I am working on the WinHTTP and new to this Concept and I am having an error at

WinHttpReq.Send APITrans

This is the Error.
Runtime Error '-2*470*288*(80072ee7)'
The server name or address could not be resolved.

This is actually going thro the proxy server.

Please help me with this issue.

Can anyone tell me how to go about this.

Thanks alot in Advance for your time.

Thanks in Advance
Venky