vSphere Replication 6.1.2 vCenter plugin fails after upgrade (vCenter 6.0 U3)

After upgrading vCenter (VCSA) to 6.0 U3 and upgrading the vSphere Replication Appliance to 6.1.2 the plugin in vCenter stops working. Follow this KB

And this KB to enable SSH (for those who are unfamiliar with how to enable SSH in a *nix environment):