Activation known issues
If you create a new user and select Create a user with a generated activation password, the BlackBerry® Administration Service does not always send the activation email. (DT 1059145)
Workaround: Restart the BlackBerry Mail Store Service.
When a BlackBerry® device user who has a BlackBerry® Internet Service account and a BlackBerry Enterprise Server Express account activates a new BlackBerry device, the user cannot send email messages using the BlackBerry Internet Service account. (DT 617358)
Workaround: Reactivate the BlackBerry Internet Service account.
If you set the ForceMsgPrepopOnActivation registry key to a value other than 0, and the ForceMsgPrepopDays and ForceMsgPrepopMessages registry keys are set to 0, email prepopulation is turned off. (DT 511315)
Workaround: Add the ForceMsgPrepopDays and ForceMsgPrepopMessages registry keys and set to a value other than 0.