How to set sent item for both Manager and Delegated user "Exchange server 2010"

Output of MailboxSentItemsConfiguration Manager

[PS] C:\Windows\system32>Get-MailboxSentItemsConfiguration Manager

RunspaceId                  : 38eb470d-f92d-4381-afa0-5bb7b8741e02

SendAsItemsCopiedTo         : Sender

SendOnBehalfOfItemsCopiedTo : Sender

Identity                    :

IsValid                     : True

[PS] C:\Windows\system32>Set-MailboxSentItemsConfiguration Manager -SendAsItemsCopiedTo SenderAndFrom

[PS] C:\Windows\system32>Get-MailboxSentItemsConfiguration Manager

RunspaceId                  : 38eb470d-f92d-4381-afa0-5bb7b8741e02

SendAsItemsCopiedTo         : SenderAndFrom    ----> This will set the option when user sents an Email on the behalf of, it would be showed into both (Manager and Sender's) Sent item

SendOnBehalfOfItemsCopiedTo : Sender

Identity                    :

IsValid                     : True

This option would be available after Exchange 2010 Sp RU2