msxml3.dll error '80072f8f' (System error: -2147012721)

Posted on 2004-11-05
Last Modified: 2008-01-09
A "msxml3.dll error '80072f8f' (System error: -2147012721)" error was returned when the codes below was run.

It has been working for a long while, but the above problem just surfaced.

      strURL = strURL & "&fname=" & "TESTER"
      strURL = strURL & "&lname=" & "01"
      strURL = strURL & "&zip=" & "123456"

      Set xmlhttp = CreateObject("MSXML2.ServerXMLHTTP.3.0") "POST", "", False               'open connection

      call xmlhttp.setRequestHeader ("Content-Type", "application/x-www-form-urlencoded")
       xmlhttp.send strURL

      If Err.Number = 0 Then
          retStr = xmlhttp.responseText
          retStr = "Url not found"
      End If
      return_message = retStr
      Set xmlhttp = Nothing
Question by:thomaslim17
    1 Comment
    LVL 26

    Accepted Solution

    This KB should help:;en-us;301429&Product=msxml

    If not, then I'll bet a proxy has been recently installed, or configured.  There is a proxy configuration utility that should help.  It's called proxycfg.exe, and should be somewhere on your system already.  If not, you can get it from MSDN.  

    But I think your error indicates that IIS could not provide a client certificate for the ServerXMLHTTP object's request.  You can configure MSXML to use a different certificate, as well.

    Mike Sharp

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