Delivery has failed to these recipients or distribution lists:
<Public Folder on Exchange 2003 server>
There's a problem with the recipient's mailbox. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator. Sent by Microsoft Exchange Server 2007
Diagnostic information for administrators:
Generating server: <Exchange 2007 server name><address of the PF on Exchange 2003>
#550 5.2.1 STOREDRV.Deliver: mailbox disabled. The following information should help identify the cause: "MapiExceptionNoReplicaAvailable:16.18969:35000000, 17.27161:000000004C000000000000000000000000000000, 255.23226:666F3A20, 255.27962:42000000, 255.17082:69040000, 0.18017:02400080, 4.21921:69040000, 255.27962:FA000000, 255.1494:02400080, 255.26426:42000000, 255.1750:1DFAFFFF, 0.26849:0F010480, 255.21817:69040000, 0.16814:0F010480, 4.20910:69040000". ##