I found a lab case with this exact error. I am not 100% behind the proposed solution, so, I advise that you stop DP, and make a copy of 'db80' and put it in a safe place before proceeding
- Create a domain user (not Administrator) with administrator rights (administrator group)
# omnisv stop
# rename C:\ProgramData\OmniBack\server\db80\pg/pg_xlog C:\ProgramData\OmniBack\server\db80\pg/pg_xlog_renamed
# omnisv start
b) Under non-administrator user with administrator rights, run again:
C:\Program Files\OmniBack\bin> perl omnidbrestore.pl -autorecover -session 2014/02/13-1 -force
Let me know if this works, and I will add it as a support tip