Backup Exec Installation Log (BKUPINST2012.HTM) reports the following errors:

NOTE: The Backup Exec Installation log is located in C:\Users\All Users\Symantec\Backup Exec\Logs or C:\Documents and Settings\All Users\Application Data\Backup Exec\Logs.

BKUPINST2012.HTM Log

OpenFromInitializationString Connection String = Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=BEDB;Data Source=SERVER\BkupExec;Locale Identifier=1033;Application Name=BEWS DBUTIL hr=0x0
The statement has been terminated.
Violation of PRIMARY KEY constraint 'PK_DBAgentBackupOptions'. Cannot insert duplicate key in object 'dbo.DBAgentBackupOptions'.
dbutil RunSQLScript: execute sql cmd failed. sql statement: exec [mig_FixDBAgentBackupOptions]
dbutil RunSQLScript:Stop execution sql script
dbutil RunSQLScript: failed: 0x80040e2f
OS ERROR: 0x80040e2f (-2147217873)
Starting schedule upgrades.
Not doing schedule upgrades due to previous errors. rc=0x1
Done with schedule upgrades.
upgrade135x ends rc=1
Job Migration Failed
+ Failure 1 running migration library 1
Destructor BEMigrate Freeing library: C:\Program Files\Symantec\Backup Exec\Migration\pvlupgrade.dll
Destructor BEMigrate Freeing library: C:\Program Files\Symantec\Backup Exec\Migration\jobmigration.dll
Destructor BEMigrate Freeing library: C:\Program Files\Symantec\Backup Exec\Migration\catupgrade.dll
Destructor BEMigrate Freeing library: C:\Program Files\Symantec\Backup Exec\Migration\postmigrationprocessing.dll
+ BE Migration Tool execution failed
Migration returned value: 1