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tfcexpertexchangeFlag for Canada

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Windows 2008 ipv6 register dns problem

Hi,

Is there a way to stop windows 2008 from registering is ipv6 entry in the DNS?

when I uncheck the register in the DNS (adapter property), it unchecks both v4 and v6 which, after a couple of hours, "deletes" the v4 entry in the DNS...

thanks
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adam1115
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To completely disable IPv6 on a Windows Server 2008-based computer yourself, follow these steps:

   1. Open Registry Editor.
   2. Locate the following registry subkey:
      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters
   3. In the details pane, click New, and then click DWORD (32-bit) Value.
   4. Type DisabledComponents, and then press ENTER.
   5. Double-click DisabledComponents, and then type 0xffffffff in Hexadecimal or 4294967295 in Decimal.

      Note The 0xffffffff value or the 4294967295 value disables all IPv6 components except for the IPv6 loopback interface.
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ASKER

I know that. I don't want to disable it, I just need to know if it's possible to stop the registering in the dns, only for the v6.

thanks
IPv6 takes precedence over IPv4.  If you want IPv6 enabled, then you want AAA records enabled.  Only IPv6 clients would 'think' to query them.

So I guess I don't understand the problem.

If you leave it enabled, you need to have DNS support it.
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ChiefIT
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ok' thanks.

Our routers are not ipv6 compatible... which gives us problem between Vista and Exchange 2007 on Win2008
You may have to revert to IPv4 or get a IPv6 router. Vista will, by default, install both IPv6 and IPv4. Then, it will determine what your router is using. Once it determines this, it will choose between IPv6 and V4 as its PREFERRED ROUTING PROTOCOL.