Yes, you can authenticate Unisphere with AD accounts.  Navigate to Unisphere==> Settings==> More Configuration==> Manage Administration, select directory Services tab.  Enter domain name, IP and enter the credentials with which you want to add the VNXe to the domain.  Select "Manage Administrators" tab and create the LDAP user.  Logout and login with LDAP account.  Note : Use the below syntax while logging in with AD account.  /  eg "sales.mycompany.com/joe"
Is it possible to authenticate in Unisphere with "Active Directory" account? LDAP option should appear in Unisphere login screen.
VNXe 3100 authentication with LDAP