I've received the same error code on my new X51v. I had Dell on the phone for over an hour and their solution was to downgrade Outlook. That's not possible for me as I sync with my company laptop for appointments, contacts, etc. My IT dept. isn't going to allow that to happen!
And who would have thought Microsoft would have issues between ActiveSync and Outlook ... both Microsoft products?!?!
Dell's getting my X51v back. Anyone who knows a place to pick up a decent X50v, let me know. Ihad decent luck with mine but it crashed hard a couple of months ago. Dell's replacement was a refurb that hard reset itself all by itself. So Dell credited me back for the 50v and I bought the 51v on good fatih. THAT didn't work!
Keith