You can use the Discover All Servers option in the Servers view to discover and perform an inventory of all Windows workloads in a specified domain. The Network Discovery option must be enabled to detect the Windows servers in the network.
In Migrate Client, enable the Network Discovery feature.
See Populating the Servers View with a List of Windows Computers in a Domain.
Expand the list of domains that contain the machines to be inventoried.
Right-click the domain name, then select Discover All Servers.
Specify domain-level administrator credentials.
Click Discover and wait for the process to complete.
(Optional) If you want to monitor the progress of the discovery job, switch to the Jobs view.