Thanks for the reply. Hence the scheduled task are not editable ie. their host names and IP addresses are not changable? only option would be "execute now"?(I mean we havent configured approval workflow groups as of now)
Thanks for your reply MRichard. Running 'set debug all on' gave me a bit more error information from the api call which gave me a clue as to where the issue was. It was in the file upload step, I think my form data wasn't quite right.