Specify corporate DNS probe host address
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKLM
Software\Policies\Microsoft\Windows\NetworkConnectivityStatusIndicator\CorporateConnectivity Options
DnsProbeContent text Description
This policy setting enables you to specify the expected address of the host name used for the DNS probe. Successful resolution of the host name to this address indicates corporate connectivity.