Upgrade Data Protector from A.6.11 to A.6.20

Hi,

 

I am looking for a procedure to upgrade my DP from A.6.11 to A.6.20, I want to keep all the information regarding, backups, schedules, etc... is there a procedure to that? or if i do a reinstallation it will keep all these information?

 

Thank you very much in advance!!!

 

Best Regards,

Jairo V.