In vRealize Infrastructure Navigator, TLSv1.0 is supported for communications between the vSphere Web Client extension and the vRealize Infrastructure Navigator appliance for users of vCenter Server 5.1. Users of vCenter Server 5.5 or vCenter Server 6.0 can disable this support.
Warning: If you have vCenter Server 5.1 installed, and you disable this protocol, vRealize Infrastructure Navigator will no longer work.