I'm having this problem, too, Rob. However, I noticed that it only has the
problem when exporting the hierarchy... the content export still seems to
work fine. Is this your situation, too?
> Q297821 OL2002: MAPI Breaks IExchangeExportChanges Interface
> http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q297821
[quoted text clipped - 3 lines]
>
> Any help here?