Found this site which tells you how to run IIS4 as a normal program so that it can be debugged under Delphi! Great! - Now I just have to try it. http://www.fulgan.com/delphi/iis.asp Myles Penlington =_NextPart_000_01BE8C3F.FFEE7B00 Content-Type: application/octet-stream; name="Delphi and IIS 4.url" Content-Transfer-Encoding: base64 W0ludGVybmV0U2hvcnRjdXRdDQpVUkw9aHR0cDovL3d3dy5mdWxnYW4uY29tL2RlbHBoaS9paXMu YXNwDQpNb2RpZmllZD1BMDUzMzg3QkQwOEJCRTAxQzANCg==