Navigate to Configuration > File Services > Domain Mappings. Select Global Configuration or an individual security context from the list of EVS security contexts, and then click Add Domain Mapping. In the Add Domain Mapping dialog box, add the following information: If you want to map for Unix names, select Map for Unix Names. Note: Only one mapping can map Unix names. If you try to add another domain mapping with the Map for Unix Names toggle to Yes, it will be disabled. Enter the Windows Domain name. Enter the Kerberos Realm. Enter the NFSv4 Domain name. Click Add.