View CIFS domain information with System Manager - ONTAP 9.7 and earlier
You can use ONTAP System Manager classic (available in ONTAP 9.7 and earlier) to view information about the domain controllers and servers that are connected to the storage system.
Click Storage > SVMs.
Select the SVM, and then click SVM Settings.
Click the Domain tab.
Review the information about the connected domain controllers and servers.