An SSL detection issue might impede the OVS Scan. Description : OVS has discovered that it is talking in plain HTTP on a SSL port. OVS has corrected this issue by enabled HTTPS on this port only. However if other SSL ports are used on the remote host, they might be skipped.
Enable SSL tests in the 'Services' preference setting, or increase the timeouts if this option is already set and the plugin missed this port.