nanog mailing list archives

Re: WIndows Updates Fail Via IPv6


From: Daniel Corbe <dcorbe () hammerfiber com>
Date: Sun, 11 Nov 2018 06:41:47 -0500

at 4:29 AM, Mark Tinka <mark.tinka () seacom mu> wrote:

Hi all.

Anyone ever figured out why Windows updates fail when the computer has an IPv6 connection?

Google has tickets and tickets of this to and outside of Microsoft since 2013, with no real solution or answer as to what the problem actually is. In essence, many of the solutions out there point toward making sure the updates do not occur over IPv6, which, in effect, is the same as disabling it.

I have a family PC at home running Windows 10 Pro, and noticed updates would fail in recent months. It took me a moment to realize that this started happening only after I enabled IPv6 in the TCP/IP stack. Disabling it immediately solves the issue.

Quite odd that this is happening in 2018...

Mark.

I’ve had IPv6 enabled for a while and I don’t have the same issue. We also peer directly with Microsoft. Are you sure it’s an IPv6 issue and not a general reachability issue?

-Daniel



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