im facing this error when i run :
cluvfy stage -post hwos -n winrac1,winrac2 -verbose
===============================
Interface information for node "winrac2"
Name IP Address Subnet Gateway Def. Gateway HW Addre
ss MTU
------ --------------- --------------- --------------- --------------- --------
--------- ------
Public 203.223.137.69 203.223.137.0 On-link UNKNOWN 00:1E:68
:A9:F4:01 1500
private 10.10.10.69 10.10.10.0 On-link UNKNOWN 00:1E:6
8:A9:F4:00 1500


Check: Node connectivity of subnet "203.223.137.0"
Result: Node connectivity passed for subnet "203.223.137.0" with node(s) winrac2



Check: TCP connectivity of subnet "203.223.137.0"
Source Destination Connected?

------------------------------ ------------------------------ --------------
--
WinRac1:203.223.137.67 winrac2:203.223.137.69 failed


ERROR:
PRVF-7617 : Node connectivity between "WinRac1 : 203.223.137.67" and "winrac2 :
203.223.137.69" failed
Result: TCP connectivity check failed for subnet "203.223.137.0"


Check: Node connectivity of subnet "10.10.10.0"
Result: Node connectivity passed for subnet "10.10.10.0" with node(s) winrac2


Check: TCP connectivity of subnet "10.10.10.0"
Source Destination Connected?

------------------------------ ------------------------------ --------------
--
WinRac1:203.223.137.67 winrac2:10.10.10.69 failed


ERROR:
PRVF-7617 : Node connectivity between "WinRac1 : 203.223.137.67" and "winrac2 :
10.10.10.69" failed
Result: TCP connectivity check failed for subnet "10.10.10.0"


Interfaces found on subnet "203.223.137.0" that are likely candidates for VIP ar
e:
winrac2 Public:203.223.137.69

WARNING:
Could not find a suitable set of interfaces for the private interconnect

Result: Node connectivity check failed
Shared storage check was successful on nodes "winrac2"

Post-check for hardware and operating system setup was unsuccessful.
Checks did not pass for the following node(s):
WinRac1 : 203.223.137.67,winrac1
===================
can using "net use \\nodename\c$" without password keying
firewall already disable
no antivirus installed

any idea on this error ?