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[Guide] How to Disable IPv6 in Windows 8 and Windows 8.1 from Command Prompt


I faced issues with IPv6 so decided to disable IPv6 from all my Windows 8.1 PC’s. As my DNS server was showing double entries for each machine such IPv4 & IPv6 as shown below.
How to disable IPv6  in Windows 8.1 and Windows 8 -00 So I decided to disable IPv6 from all machines. You can not disable IPv6 by editing the network adapter properties by un-checking the IPv6 and it does not work. A registry hack is required to disable IPv6 completely.
How to disable IPv6  in Windows 8.1 and Windows 8 -02
How to disable IPv6  in Windows 8.1 and Windows 8 -01

If you want to disable IPv6 properly you have to disable it via Registry. To add registry setting to disable IPv6 use below method,
Click on Start –> Run –> type regedit to open registry editor
Locate the following registry entry:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters
In the details pane click New and then click DWORD (32-bit) Value.
Type DisabledComponents, and then press ENTER.
Double-click DisabledComponents, and then type 0xffffffff  as shown below
How to disable IPv6  in Windows 8.1 and Windows 8 -03
If you want to add registry entry automatically simple create Batch script and add below command into the script & run the Batch script As Administrator.
How to disable IPv6  in Windows 8.1 and Windows 8 -04
reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TCPIP6\Parameters /v DisabledComponents /t REG_DWORD /d 0xffffffff /f