Enterprise Vault for Exchange: Event ID 2776 is regurarly being logged during the Public Folder archiving

Problem

The Public Folder task fails with the error with

Event ID 2776 containing {CFolderHelper::ProcessConflictDetails:#3893} Error occured Conflict XML = [(null)] , Error = [0xc00ce558] 

Error Message

To validate the log a Dtrace can be run against the Public folder task, which will contain the following: 

(PublicFolderTask) <14352> EV:L {CFolderHelper::UpdateArchiveFolderRecordV3:#2571} Updating folder record 13D9679B3067C7E479EACA2EDAE58700D1110000evserver1 with following properties|DisplayName = <Public Subfolder name> |FolderPath = ?<Path>?<Public Folder>?<Public Subfolder name> |ParentFolderVEID = 135C76C24D344504BA2A89246D5BE65E91110000evserver1|RetentionCategoryID = 13F5728988B126E459627AE5C15E229C21b10000evserver1|ExistsAtSource = True
...
(PublicFolderTask) <14352> EV:H Unable to parse the XML data supplied, error (0xc00ce558):-|>> XML document must have a top level element.|
(PublicFolderTask) <14352> EV:H {EVCommon::CXMLDocument::set_XML:#131} _com_error exception: [<0xc00ce558>]
(PublicFolderTask) <14352> EV:H {EVCommon::CXMLDocument::set_XML} Status: [<0xc00ce558>]
(PublicFolderTask) <14352> EV:H {{CFolderHelper::ProcessConflictDetails:#3812} } HRXEX fn trace : Error [0xc00ce558], ref(1): [(null)], [d:\builds\14\ev\v-m-s\sources\source\agents\agentscommon\folderhelper.cpp, lines {3812,3826,3827}, built Mar 18 14:28:29 2018].
(PublicFolderTask) <14352> EV~E Event ID: 2776 An exception occurred in routine {CFolderHelper::ProcessConflictDetails:#3893} Error occured Conflict XML = [(null)] , Error = [0xc00ce558] |
(PublicFolderTask) <14352> EV:L {CFolderHelper::GetFolderSettings:#881} Conflict found with retention folders due to rename or movement of folder [<Public Subfolder name> ] in source. Creating new folder after resolving conflict in archive.
(PublicFolderTask) <14352> EV:L {CFolderHelper::GetFolderSettings:#971} [<Public Subfolder name>  ]
 

Cause

This issue occurs after the upgrade to Enterprise Vault 12.2.x.

This release introduces a new mechanism for checking and updating the retention categories. It is a result of process called UpdateArchiveFolderRecordV3, which checks and updates the retention category applied to the folder in the instance of a folder rename or move.

Solution

Veritas Technologies LLC currently plans to address this issue by way of a patch or hotfix to the current version of the software. Please note that Veritas Technologies LLC reserves the right to remove any fix from the targeted release if it does not pass quality assurance tests.  Veritas’ plans are subject to change and any action taken by you based on the above information or your reliance upon the above information is made at your own risk.