v-437-2270 4. When analyzing the size of the Mailbox Stores EDB file that this users mailbox resides in it has been noticed that the store size has increased even though the items have not been successfully restored.
Cannot restore items from Public Folder Vault. Event ID 2270 & 3213 Retrieved a [msgid_retrievepublicfolderitems (55)] MSMQ message on queue [EVSERVERNAME\Private$\Enterprise Vault Exchange Public Folder Task for EXSERVERNAME 305655120278 R2], but it's retry count  exceeds the maximum retry limit . For more information, see Help and Support Center at http://entced.symantec.com/entt?product=ev&language=english&version=10.0.2.0&build=10.0.2.1112&error= v-437-2270