[aiharkness]

BES referrs to the enterprise server. If your email, calendar, etc. are reconciled with your Desktop wirelessly, then you are on BES.

I'm guessing the max allowed password attempts on the BlackBerry is set to three attemps. As Desktop Manager requires you to enter the device password when you connect, I'm assuming Desktop Manager adopts the max attempts setting on the device, and that is what happened, same as if you entered the wrong password too many times on the handset.

I don't have an answer for why Desktop Manager didn't accept your password entry the first time, except if it was a typo on your part.