Run proactiveHA via Oneview in vcenter

Dear all

Hi

i want to run proactive HA

my server is DL580 G10

i have download and deploy HPE_OneView_for_VMware_vCenter OVA file and add vcenter to that.

also i have installed HPE_OneView_4.20.01.01_ESXi_Z7550-96659.ova

my vcenter ip = 10.10.50.60

my  one view ip = 10.10.50.77

my HPE_OneView_for_VMware_vCenter  = 10.10.50.78

now from Menu- Administrator - HPE one view for vmware vcenter - server integrations:

in this part we can see to tabs : Oneview - servers

in the server tab i added my esxi host (this is lab and i have just one esxi host )

in the one view tab i insert hpe one view ip and creditional  (10.10.50.77)

but during registering show : Error while registering Hypervisor Manager or Oneview

how can solve the problem ?