Import ssl cert to vCO 5.1 from vRO 6.0

Hi,

My case: I am trying to connect via multi-node plug-in vCO 5.1 with vRO 6.0.

When I import ssl cert from vRO 6.0 I get the error "Could not import the SSL certificate. Check whether the URL https://myvRO6.0.mydomain.net:8281 is a valid SSL connection."

I am able to see page https://myvRO6.0.mydomain.net:8281/ if I placed it to browser.

In other hand, in opposite way it is working fine.

Could anybody help with this, thank you.

Jan