No reference that proves my comment. But, as design, VxRail does not care or manage AD or LDAP integration of vCenter. I would recommend you to open support ticket if you need official statement.
Hallo Team, are you allowed to implemented this workaround stated in the below article. [URL] It is basically switch from Windows Integrated Authentication to AD over LDAPS We have VxRack managed vCenter and is anyone aware of any impact of it. We have VDI infrastructure being serviced
Active Directory over LDAPs authentication -vCenter (VXRack Managed)