I have installed Blackberry Enterprise Server 5.0.1 with Domino 8.5.1 and this seems to be working fine. The transporter tool works very well allowing the users to be smoothly moved across without any indication to them. I will miss the old Blackberry Manager admin program but the news web interface will allow easy delegation of role based controlled access to Service Desk personnel.
Well done RIM. They have made the upgrade nearly as easy as upgrading a Domino server.
Benefit of upgrading BES from 4.x to 5.x:
| 1. Device Side Folder Management |