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Set-NetIPv6Protocol

Modifies the IPv6 protocol configuration.

Networking / Security · Risk: High · Documentation Verified

Last verified: 2026-10-26

Microsoft NetTCPIP reference: Modifies the IPv6 protocol configuration. The syntax and selected example below are adapted from the pinned Windows Server 2025 reference. Module availability, target configuration and delegated permissions determine whether it can run in your environment. Documentation and parameter text: Microsoft, CC BY 4.0; formatting adapted by Cmdlet World. No execution testing is claimed.

Set-NetIPv6Protocol [-InputObject <CimInstance[]>] [-DefaultHopLimit <UInt32>]
 [-NeighborCacheLimitEntries <UInt32>] [-RouteCacheLimitEntries <UInt32>] [-ReassemblyLimitBytes <UInt32>]
 [-IcmpRedirects <IcmpRedirects>] [-SourceRoutingBehavior <SourceRoutingBehavior>]
 [-DhcpMediaSense <DhcpMediaSense>] [-MediaSenseEventLog <MediaSenseEventLog>] [-MldLevel <MldLevel>]
 [-MldVersion <MldVersion>] [-MulticastForwarding <MulticastForwarding>]
 [-GroupForwardedFragments <GroupForwardedFragments>] [-RandomizeIdentifiers <RandomizeIdentifiers>]
 [-AddressMaskReply <AddressMaskReply>] [-DeadGatewayDetection <DeadGatewayDetection>]
 [-UseTemporaryAddresses <UseTemporaryAddresses>] [-MaxTemporaryDadAttempts <UInt32>]
 [-MaxTemporaryValidLifetime <TimeSpan>] [-MaxTemporaryPreferredLifetime <TimeSpan>]
 [-TemporaryRegenerateTime <TimeSpan>] [-MaxTemporaryDesyncTime <TimeSpan>] [-CimSession <CimSession[]>]
 [-ThrottleLimit <Int32>] [-AsJob] [-PassThru] [-WhatIf] [-Confirm] [<CommonParameters>]

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Required permissions

Use an account with the target resource permissions documented for Set-NetIPv6Protocol. Modifying administrative cmdlets may require elevation or delegated administration. This catalog does not assert that ordinary users can execute the command.

Supported environments

Windows / NetTCPIP · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-AddressMaskReply: Specifies a value for address mask reply. The cmdlet modifies the value for this setting. Address mask reply specifies how the computer responds to ICMP address mask packets. The acceptable values for this parameter are: - Enabled. The computer responds to ICMP address mask packets. - Disabled. The computer does not respond to ICMP address mask packets.
-AsJob: Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.
-CimSession: Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.
-Confirm: Prompts you for confirmation before running the cmdlet.
-DeadGatewayDetection: Specifies an array of values for dead gateway detection. The cmdlet gets IPv6 protocol configurations that have these values. Dead gateway detection is a feature that identifies gateways that are not operating properly and switches the computer to a new default gateway if available. The acceptable values for this parameter are: - Enabled - Disabled
-DefaultHopLimit: Specifies a value for the default hop limit. The cmdlet modifies the value for this setting. This parameter sets the default value for the CurrentHopLimit property in the IP interface. The current hop limit is the value that the IP interface writes in the hop limit field in all outbound IPv6 traffic. When routers forward a packet, they decrement the hop limit by 1 and discard the packet when the hop limit is 0. The default value is 128.
-DhcpMediaSense: Specifies a value for Media Sense. The cmdlet modifies the value for this setting. Media Sense provides a mechanism for the network adapter to notify the protocol stack of media connect and disconnect events. These events trigger the DHCP client to take an action, such as attempting to renew a DHCP lease or removing routes that are related to a disconnected network. When Media Sense is enabled, the network parameters on the laptop of a roaming user are automatically and transparently updated without requiring a restart when the user moves from one location to another. The acceptable values for this parameter are: - Enabled - Disabled The default value is Enabled.
-GroupForwardedFragments: Specifies a value for group forwarded fragments. The cmdlet modifies the value for this setting. Group forwarded fragments specifies whether the IP interface collects fragments into groups before it forwards the fragments. This parameter sets the GroupForwardedFragments property in the IP interface. The acceptable values for this parameter are: - Enabled. The IP interface collects IPv6 protocol fragments into groups before it forwards the fragments. - Disabled. The IP interface does not collect IPv6 protocol fragments into groups before it forwards the fragments. The default value is Disabled.

Prerequisites

Windows with the NetTCPIP module and the Windows feature or management tools that provide it. Confirm target connectivity and version compatibility using the linked Microsoft reference.

Security considerations

This cmdlet changes system state. Review every target and parameter in the official reference, test outside production, and prepare an appropriate backup or rollback. Do not execute the example automatically.

Examples

Example 1: Enable the DHCP Media Sense event log

Set-NetIPv6Protocol -MediaSenseEventLog Enabled

This command enables the DHCP Media Sense event log. Source: Microsoft, CC BY 4.0; transcript prompt/output removed. This example was not executed.

Sources

https://github.com/MicrosoftDocs/windows-powershell-docs/blob/b7645dd8c687139b28e845119da30ec670526507/docset/winserver2025-ps/NetTCPIP/Set-NetIPv6Protocol.md

https://learn.microsoft.com/powershell/module/nettcpip/set-netipv6protocol?view=windowsserver2025-ps

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