Specify corporate site prefix list

Policy ID: NCSI_CorpSitePrefixes
Scope: Computer Configuration
Supported on: At least Windows Server 2008 R2 or Windows 7
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Network › Network Connectivity Status Indicator

Description

This policy setting enables you to specify the list of IPv6 corporate site prefixes to monitor for corporate connectivity. Reachability of addresses with any of these prefixes indicates corporate connectivity.

Options

Corporate Site Prefix List:
Specify the list of corporate IPv6 site prefixes
to check for reachability to detect corporate
connectivity.
Syntax:
The list should be comma-separated with no
extra whitespace.
Example:
fe80::/9,fe81::/9

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows\NetworkConnectivityStatusIndicator\CorporateConnectivity View registry values

SitePrefixesREG_SZ

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