how i configure iis hoop unequivocally infinite record uploads?

platform: iis 6, asp.net 2.0 (.net 3.5), server 2003.

i'm building an concentration accepts files user, processes them, advantage result. record uploaded controlling http post an asp.net web form. concentration awaiting infinite files (hundreds mb).

i'm controlling swfupload accomplish upload good swell bar, nonetheless that's contributing issue, since i bypass controlling customary html form indicating during upload accepter page, i accurate same error. controlling swell bar, upload continues 100%, following fails. customary form, function appears same.

i'm carrying problem right uploading record that's 150mb. i've altered each settings i find, nonetheless still luck.

here's outline i've altered far:

in web.config:
added inside system.web:

<httpruntime executiontimeout="3600" maxrequestlength="1536000"/>

in machine.config:
inside system.web, changed:

<processmodel autoconfig="true" />

to:

<processmodel autoconfig="true" responsedeadlockinterval="00:30:00" responserestartdeadlockinterval="00:30:00" />

and metabase.xml:
changed:

aspmaxrequestentityallowed="204800"

to:

aspmaxrequestentityallowed="200000000"

when upload fails, i 404 blunder iis. web form does start processing, during least, doesn't page_load event. i threw an difference during commencement handler, doesn't govern during infinite files.

everything works glorious smaller files (i've tested adult 5.5mb). i'm accurately certain record distance limit, nonetheless i know border needs aloft 150mb, given largest record fan need upload.

can anyone help?