WIndows Updates Fail Via IPv6

Daniel Corbe dcorbe at
Sun Nov 11 11:41:47 UTC 2018

at 4:29 AM, Mark Tinka <mark.tinka at> 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?


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