On 11/Nov/18 18:51, Lavanauts wrote:

I’m on native IPv6 via Spectrum and have no problems with Windows Updates. Could this be a tunneling issue?

I do run 6-in-4 from my backbone to my house as my FTTH provider does not do IPv6.

I can't imagine this to specifically be the issue, as all other IPv6 traffic is fine, but at this point, I'm open to suggestion.

Mark.