[flexcoders] Repost: FileReference.upload() and IIS 6.0 (Windows Server 2003)

[bsausser]

Upload Progresses, then fails at the end of the POST. Why? …and What 
can be done to fix it?

Flex Error Text:
Error #2044: Unhandled IOErrorEvent:. text=Error #2038: File I/O 
Error.

HTTP Sniff Result: 
http://www.dendera.com/dir/fr_upload_snif_result.xml 

Multiple IIS configurations did not change the result.
•       Write on/off
•       Integrated Windows Authentication on/off
•       Anonymous access on/off
•       NTFS file security IUSR_xxxx  | Full Control
•       NTFS file secutiry EVERYONE | Full Control

** The IIS Server(s) is a part of an Active Directory Domain
*** Hosted on two different IIS Machines with the same result on 
each one of them.

====   sniff result   ====
<?xml version="1.0" encoding="UTF-16"?>
<log homepage="http://www.ieinspector.com"; product="HttpAnalyzer" 
version="1">
  <entry method="POST" url="http://fm.dendera.com/IMG_1567.JPG";>
    <timestart>2007-03-31T07:52:17.655Z</timestart>
    <timeend>2007-03-31T07:52:19.118Z</timeend>
    <duration>1.463 s</duration>
    <processname/>
    <result>404</result>
    <size>1795</size>
    <stage>REQUEST_CLOSE</stage>
    <mimetype>text/html</mimetype>
    <redirecturl/>
    <requestCamefromCache>False</requestCamefromCache>
    <responseCamefromCache>False</responseCamefromCache>
    <requestobjectname>/IMG_1567.JPG</requestobjectname>
    <winet_sr_result>True</winet_sr_result>
    <winet_sr_errormessage/>
    <bodySize>1635</bodySize>
    <headers>
      <requestheaders>
        <header>POST /IMG_1567.JPG HTTP/1.1</header>
        <header>Accept: text/*</header>
        <header>Content-Type: multipart/form-data; boundary=---------
-cH2ae0ei4KM7Ij5KM7GI3gL6ae0gL6</header>
        <header>User-Agent: Shockwave Flash</header>
        <header>Host: fm.dendera.com</header>
        <header>Content-Length: 3595908</header>
        <header>Connection: Keep-Alive</header>
        <header>Cache-Control: no-cache</header>
      </requestheaders>
      <responseheaders>
        <header>HTTP/1.1 404 Not Found</header>
        <header>Content-Length: 1635</header>
        <header>Content-Type: text/html</header>
        <header>Server: Microsoft-IIS/6.0</header>
        <header>X-Powered-By: ASP.NET</header>
        <header>Date: Sat, 31 Mar 2007 14:52:18 GMT</header>
      </responseheaders>
    </headers>
    <content>
      <contentLength>1635</contentLength>
      <mimetype>text/html</mimetype>
      <text> <![CDATA … ]]>
      </text>
    </content>
    <cookies>
      <sent/>
      <received/>
    </cookies>
    <cache>
      <BeforeRequest>
        <UrlInCache>False</UrlInCache>
      </BeforeRequest>
      <AfterRequest>
        <UrlInCache>False</UrlInCache>
      </AfterRequest>
    </cache>
    <QueryString/>
    <PostData/>
  </entry>
</log>