How To – Disable IPv6 on a Windows Machine

To completely disabled IPv6 on a machine you need to disable it from the Network Adapter and then also from the registry. To do this follow these steps:

Disable IPv6 from the Network Adapter

First you need to disable IPv6 from the network adapter. To do this, follow these steps:

  1. Control Panel
  2. Network and Sharing Center
  3. Change adapter settings
  4. Double click on network adapter
  5. Properties
  6. De-select Internet Product Version 6 (TCP/IPv6)
  7. Click OK

Disable IPv6 in the Registry

Next we need to disable IPv6 in the registry. To do this, follow the steps below:

  1. Start >> Run >> regedit
  2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters
  3. Right-Click >> New >> DWORD (32-bit) Value
  4. Name: DisabledComponents
  5. Data: 0xffffffff (Hexadecimal) or 4294967295 (Decimal)

And that is it. You have now successfully disabled IPv6 on your Windows machine.

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