About SSR 2013 R2 States Icons
OS：Windows Server 2012
What is the question mark mean?
This occurs if it is unable to obtain the status of the past backups, i.e. the status is unavailable.
If the backup destination is non-Windows NAS devices, then it is expected as per http://www.symantec.com/business/support/index?page=content&id=TECH214450
