please support, how to take backup for all Domain users in one machine. Also I cannot push agent from DLO console, I only install manually. one more thing can I take backup for all in drive c
You need to start by reading the DLO installation guide. Since you're using a domain, you should be able to integrate DLO into the domain, and then look at pushing the DLO agent out via a group policy.
Once DLO is installed, you can then set up your local backup policy to select what you want backed up, and what you want excluded.