[mbr99]

This has been solved by the suggested article:

1.On the Microsoft Exchange Server, click Start > Microsoft Exchange Server 2010 > Exchange Management Shell. 
2.Type Set-ThrottlingPolicy BESPolicy -RCAMaxConcurrency $null -RCAPercentTimeInAD $null -RCAPercentTimeInCAS $null -RCAPercentTimeInMailboxRPC $null -EWSMaxConcurrency $null -EWSPercentTimeInAD $null -EWSPercentTimeInCAS $null -EWSPercentTimeInMailboxRPC $null -EWSMaxSubscriptions $null -EWSFastSearchTimeoutInSeconds $null -EWSFindCountLimit $null
3.Type Set-Mailbox "BESAdmin" -ThrottlingPolicy BESPolicy. 
4.Restart the BlackBerry Controller Service.

Thanks!

[freakinvibe]

Thanks for posting the solution. I am glad it worked out for you.