After installing and configuring the Blackberry Enterprise Server application you will need to run the following Exchange 2007 PowerShell commands to grant the Blackberry service account (besadmin) access to the Exchange mailboxes.

Granting access for a single mailbox

In this example we are giving the besadmin account the access required to handle the email for the john.doe@domain.com mailbox-

[PS] C: >Add-MailboxPermission john.doe@domain.com –user domainbesadmin –AccessRights FullAccess [PS] C: >Add-ADPermission john.doe@domain.com –user domainbesadmin -ExtendedRights Send-As, Receive-As

Granting access to all mailboxes

This command will allow the besadmin account to access ALL mailboxes on the Exchange server.

[PS] C: >Get-MailboxServer | Add-ADPermission -User domainbesadmin -AccessRights GenericRead, GenericWrite -ExtendedRights Send-As, Receive-As, ms-Exch-Store-Admin