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NiKiZe/README.md

Created November 28, 2025 20:04
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README.md

Enable CLAT support in Windows 11

Works with x64 OS build 26220 (Preview build)

  • Option 108 needs to be accepted

HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DhcpIpv6OnlyPreferred => 1

  • CLAT is not enabled by default, you can check more of the settings in help and clat show global

netsh interface clat set global permit=enabled

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setup.cmd
:: Enable CLAT support in Windows 11
:: Works with x64 OS build 26220 (Preview build)
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters /v DhcpIpv6OnlyPreferred /t REG_DWORD /d 1 /f
netsh interface clat set global permit=enabled
@thomasschaeferm
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thomasschaeferm commented Jan 21, 2026

I haven't received some emails as tester. This is fixed. Now I am tester again, but not allowed to share the information. At the moment MS provides an additionally small exe to enable the features, of course with the same sharing restrictions.

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