I use your standard example without any change , with exchange 2007 and vista french version pack 2. What is trange is that with old version there was no problem to send
#AutoIt3Wrapper_AU3Check_Parameters= -d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6
#AutoIt3Wrapper_AU3Check_Stop_OnWarning=Y
#include "OutlookEX.au3"
#include "OutlookEXConstants.au3"
$iOL_Debug = 2
Global $oOutlook =_OL_Open()
; *****************************************************************************
; Example 1_OutlookSendMail
; Send a html mail to the current user.
; Add an attachment and set importance to high.
; *****************************************************************************
Global $sCurrentUser = $ooutlook.GetNameSpace("MAPI" ).CurrentUser.Name
_OL_Wrapper_SendMail($Ooutlook, $sCurrentUser, "", "", "TestSubject", "<BR>Bodyfettnormal.","", $olFormatHTML, $olImportanceHigh)
If @error <> 0 Then Exit MsgBox(16, "OutlookEX UDF: _OutlookSendMail Wrapper Script", "Error sending mail. @error = " & @error & ", @extended: " & @extended)
MsgBox(64, "OutlookEX UDF: _OutlookSendMail Wrapper Script", "Mail successfully sent to user '" & $sCurrentUser & "'!")