Activate Sub-Units aka Customer Management first. By default the sub-unit/customer management is disabled. Goto Settings and enable it. A new entry “sub-units“ appears in the main menu.
Having the sub-unit/customer management enabled you can enter your customer by clicking on “Customer”. You can also create a new customer while creating a new host.
You can assigned hosts to a sub-unit/customers.
A dashboard that gives an overview about all hosts grouped by customers will be created automatically.
The access of guest team members can be limited to hosts belonging to a customer.
Messages can be limited to hosts belonging to a customer.