Running Exchange 2010 and mixture of Outlook 2007/2010 clients. If you forward a message from a user's inbox, everything's fine. If you drag a message out of the inbox to the desktop, creating an MSG file, then open and try to forward that message, the body disappears.
This is an issue because it replicates what's going on behind the scenes when a user tries to forward a message that's been saved to the Worldox document management system.
The only situation in which I've been able to resolve the issue is on the old Terminal Server, which runs Outlook 2003. If you change the MSG encoding to UTF-8 THEN try and forward, the body is retained.