problem converting recipient policies from Exch 2003 to Exch 2010

One of the steps to take in an Exchange 2003-> 2010 transition is the convertion of recipient policies.

So I executed just to show my legacy policies...

[PS] >Get-EmailAddressPolicy | where {$_.Recipientfiltertype -eq "Legacy"}

Name                                    Priority                                RecipientFilter
----                                    --------                                ---------------
Standaard instellingen                  1
Default Policy                          Lowest

I used the output from this cmd, to pipe it into set-emailadresspolicy

[PS] >Get-EmailAddressPolicy | where {$_.RecipientFilterType -eq "Legacy"} | Set-EmailAddressPolicy -IncludedRecipients AllRecipients
Confirm
To save changes on object "Standaard instellingen", the object must be upgraded to the current Exchange version. After the upgrade, this object cannot be managed by an earlier version of the Exchange Management Tools. Do you want to continue to upgrade and save the object?
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [?] Help (default is "Y"):

But this produces an error.....
The recipient policy "Default Policy" with mailbox manager settings cannot be managed by the current version of Exchange Management Console. Please use a management console with the same version as the object.
    + CategoryInfo          : InvalidOperation: (Default Policy:ADObjectId) [Set-EmailAddressPolicy], InvalidOperation
   Exception
    + FullyQualifiedErrorId : 71B5D1AB,Microsoft.Exchange.Management.SystemConfigurationTasks.SetEmailAddressPolicy


What am I doing wrong here??