Get Live Help
To migrate data to or from Exchange 2010 the Administrator account must have ApplicationImpersonation rights in the Exchange Organization.
To grant Impersonation Rights:
To migrate from a hosted Exchange environment the RecipientOrganizationalUnitScope will need to be used to specify the OU of the users on Exchange server.
New-ManagementRoleAssignment -Name:MigrationImpersonationAssignment -Role:ApplicationImpersonation -User:userName -RecipientOrganizationalUnitScope "domain.com/Microsoft Exchange Hosted Organizations/company.com"
For more information on this Exchange 2010 command refer to the technet site: https://technet.microsoft.com/en-us/library/dd335193(v=exchg.141).aspx