Can not start service Backup exec server on windows server 2003 standard

Dear All supporters,

 Pls help to find out problem for us, we install backup exec 2012 on windows server 2003 standard x86, with domain controller account logon, now we can not start service Backup exec server, error may existed before but follow all current guide still can not solve, pls guide us, if need to send file from command >beserver -console  then I will send later.

error: The Backup Exec Server Service did not start. An internal error(-1) occurred in object 51

Thanks and best regards,

HUY