The Corporate Site Prefix List machine setting should be configured correctly. This is the list of IPv6 corporate site prefixes that should be monitored for corporate connectivity. Reachability of addresses with any of these prefixes indicates corporate connectivity. Fix: (1) GPO: Computer Configuration\Administrative Templates\Network\Network Connectivity Status Indicator\Corporate Site Prefix List (2) KEY: HKLM\Software\Policies\Microsoft\Windows\NetworkConnectivityStatusIndicator\CorporateConnectivity\SitePrefixes