New-MoveRequest error "RemoteLegacy moves must involve Exchange 2010 or lower versions only"

I have tried to migrate a mailbox between forest from Exchange 2010 to Exchange 2013 but when I run the new-moverequest on Exchange 2013 I get the following error

RemoteLegacy moves must involve Exchange 2010 or lower versions only.
    + CategoryInfo          : InvalidArgument: (xxx.local/email/666:MailboxOrMailUserIdParameter) [New-MoveRequest], Rec
   ipientTaskException
    + FullyQualifiedErrorId : [Server=MB13,RequestId=9dbe7548-121d-4530-8f98-c8e8ea033ae3,TimeStamp=11/27/2013 4:31:55
    AM] 6EFDB461,Microsoft.Exchange.Management.RecipientTasks.NewMoveRequest
    + PSComputerName        : cas13.xxx.local


Can anyone help me pls ?

P.S.
Server Deatils 
Source Domain: Windows 2003 R2
Source Exchange: Microsoft Exchange 2010 SP3
Target Domain: Windows 2003 R2
Target Domain: Microsoft Exchange 2013 CU2