IPv6 will be disabled until a deliberate transition strategy has been implemented.

From Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-32488r1_rule IPv6 will be disabled until a deliberate transition strategy has been implemented.

Vulnerability discussion

Any nodes’ interface with IPv6 enabled by default presents a potential risk of traffic being transmitted or received without proper risk mitigation strategy and is, therefore, a serious security concern.

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To disable IPv6 on all interfaces, configure the following registry key: Registry Hive: HKEY_LOCAL_MACHINE Subkey: System\CurrentControlSet\Services\Tcpip6\Parameters Value Name: DisabledComponents Type: REG_DWORD Value: 0xffffffff

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