[otrs] OTRS 4, unable to start scheduler

Hello, I just freshly installed OTRS4 for client on Centos 6.5 with MSSQL. I managed to get database connection working, but for some reason that I cant figure out I am unable to get Scheduler running. I can start Cron fine, but when I try to run otrs.Scheduler.pl http://otrs.scheduler.pl/ -a start and then otrs.Scheduler.pl http://otrs.scheduler.pl/ -a status I am still getting Not running! I also found multiple error logs in /var/log/ folder with name SchedulerERR, but all log files are empty. Any idea what might be causing this behavior? Branislav