After spending over a week with Odyssey Inc, I finally managed to get Pocket On Schedule 6.0 working with my HPC Nec Mobilepro 900c.
It was missing two critical dlls, htmlview.dll and webview.dll. Most of the ce.net 4.2 installations include these (like Windows Mobile 2003 SE), but the one on Nec 900c did not. Before Odyssey finding the working dlls, I got them from hpcnec.com site (thanks Rich ;))
Now I can use Remote On Schedule to sync our Exchange 2003 server and my