Emails are not getting deleted from user mailbox after getting archived by Backup Exec Archive Option for Exchange mail. This issue is seen only in environments where Exchange server or Backup Exec server are in Daylight time zone.
A hotfix is now available for this issue in the current version(s) of the product(s) mentioned in this article. Refer to the Hotfix link under Related Documents at the end of this article to obtain the hotfix needed to resolve the issue.
Backup Exec 2012 Rev 1798 Service Pack 4 (TECH212772).