>>>If you are running regular maintenance jobs (including backup) via SSMS, the log should be getting reset..?
>>
>>I'm not sure we're running here anything. Can you please tell me what and where exactly should I check?
>
>In SSMS help, look at Maintenance Plans [SQL Server] and Maintenance Plan Wizard under that topic. The wizard is really handy for setting up scheduled maintenance and all the tasks that should be performed.

Ok, going to check it up. Thanks again.