So we came across this when attempting a “Move-ActiveMailboxDatabase” powershell command to mount a mailbox database copy in our DAG. We have a powershell script that mounts all DBS on one exchange server so we can do maintenance on the other.
So you created a new Exchange 2010 Mailbox Database but all mailbox users you move to or create in this database cannot send or receive mail on their Blackberry device? Permissions, permissions, permissions…