Does Windows AD be used in vCenter link-mode(For vSphere 5.X and 6.0) ?

[Dongjianhua]

Does Windows AD be used in vCenter link-mode(For vSphere 5.X and 6.0)  ?

Should all vCenter be the same version in the same link-mode group ?

[npadmani]

answer is same as

Does Windows AD be used in vCenter link-mode(For vSphere 5.X and 6.0) ?