Ryan let us know that BES is now fully supported on Microsoft Exchange Server 2010 and BlackBerry Technical Support Services are readily available.
In order to enable full support, three updates are required:
- Roll-Up 1 (RU1) for Exchange Server 2010
- MAPI v6.5.8147
- BlackBerry Enterprise Server 5.0.1 Maintenance Release 1 (MR1)