There are situations where partners need to know whether they can run their application behind a firewall, which require communicating with HealthVault through their IP based firewalls. We don’t recommend partners to depend on our HealthVault IPs...

As mentioned in Chris Tremonte ’s blog on ActionUrl, Privacy and Terms of Use , HealthVault Application Configuration Center now supports hardcoded statements for both Privacy and Terms of Use irrespective of the ActionURL specified for the application...