Originally Posted by markhutchison
BlackBerry Professional Software is a trimmed down BES that supports up to 30 clients but is missing:
Novel Groupwise Support
Enterprise Messenger Support (I think)
BPS also has a much smaller footprint than BES and can be run on the same physical server as Exchange without too much of an impact on the server's resources. BPS also comes bundled with an Install Wizard that walks you through the initial setup.
Is there any other documentation on the difference between the two?
Something with a bit more detail.