The Backup Exec 15 running on Windows Server 2008R2 cannot backup itself. Jobs always fail.
Job Completion Status:
Job ended: Monday, March 14, 2016 at 12:40:20 PM
Completed status: Failed
Final error: 0x8004230c - 0x8004230c (2147754764)
...
This server is not a DC. The server is also not in domain curruntly, but it was in domain before. I don't know if there were WinServer 2012 based DC in the domain/forest when the backup exec server was in domain.