I thought you can turn off ipv6 if you do it properly, not just unchecking the IPv6 box on the NIC settings? No?
Sent from my iPhone > On Sep 19, 2013, at 7:44 PM, "Kurt Buff" <[email protected]> wrote: > > It's not that, exactly. It's that if you turn off IPV6, you're pretty > much no longer in a supported configuration, for some of their > technologies at least. > > And, interestingly, you can turn off Teredo, and might well wish to do > so, without turning off IPv6. It's a transitional technology, and MSFT > will be phasing it out at some point, along with ISATAP and probably > NAT64. > > Kurt > > On Thu, Sep 19, 2013 at 4:22 PM, Micheal Espinola Jr > <[email protected]> wrote: >> Riiight... leave unnecessary services running, because something unrelated >> might break. I understand the concern, but I'd still focus minimizing >> problem vectors over something that may or may not happen. If it happens, >> then deal with that on a case-by-case basis. I've not encountered any >> issues regarding disabling IP6 across the board - but, honestly, its crap >> like that that brings us together here, so I'm not pretending weird things >> can't and don't happen. >> >> I'm inclined to think that Microsoft wants IP6 running for all the stats >> they can gather via the Teredo connections. >> >> -- >> Espi >> >> >> >>> On Thu, Sep 19, 2013 at 3:54 PM, Kurt Buff <[email protected]> wrote: >>> >>> Erm - not so much... >>> >>> >>> http://blogs.technet.com/b/netro/archive/2010/11/24/arguments-against-disabling-ipv6.aspx >>> and >>> >>> http://blogs.technet.com/b/ipv6/archive/2007/11/08/disabling-ipv6-doesn-t-help.aspx >>> and perhaps >>> >>> http://thommck.wordpress.com/2011/02/08/offline-files-versus-vpn-a-k-a-the-case-of-the-missing-work-online-button/ >>> >>> Kurt >>> >>> On Thu, Sep 19, 2013 at 3:07 PM, Micheal Espinola Jr >>> <[email protected]> wrote: >>>> :-) >>>> >>>> I just gotta throw-in here that if you don't use it - it should be >>>> disabled >>>> anyway. >>>> >>>> -- >>>> Espi >>>> >>>> >>>> >>>>> On Thu, Sep 19, 2013 at 1:57 PM, Kurt Buff <[email protected]> wrote: >>>>> >>>>> <gasp> >>>>> >>>>> Disable IPv6? >>>>> >>>>> Heresy... >>>>> >>>>> :) >>>>> >>>>> Kurt >>>>> >>>>> On Thu, Sep 19, 2013 at 1:01 PM, Michael B. Smith >>>>> <[email protected]> >>>>> wrote: >>>>>> I found it easier to disable IPv6 core networking, both input rule >>>>>> and >>>>>> output rule. >>>>>> >>>>>> Ymmv. >>>>>> >>>>>> Sent from my Windows Phone >>>>>> ________________________________ >>>>>> From: Adam Farage >>>>>> Sent: 9/19/2013 10:55 PM >>>>> >>>>>> >>>>>> To: New Exchange Admin List ([email protected]) >>>>>> Subject: [Exchange] RE: Google rejecting email >>>>>> >>>>>> I actually had someone post this on Reddit (/r/exchangeserver is a >>>>>> subreddit >>>>>> forum thing I created about 3 months ago) who experienced the same >>>>>> issues, >>>>>> and how he resolved it: >>>>>> >>>>>> >>>>>> >>>>>> http://www.reddit.com/r/exchangeserver/comments/1kw7cc/gmail_rejecting_mail_from_exchange_because_sender/ >>>>>> >>>>>> The TL;DR (too long/dont read) version is that he had to run this: >>>>>> >>>>>> " >>>>>> >>>>>> I opened a Command Prompt as Administrator and did: >>>>>> >>>>>> netsh >>>>>> interface >>>>>> 6to4 >>>>>> set state disabled >>>>>> .. >>>>>> teredo >>>>>> set state disabled >>>>>> >>>>>> " >>>>>> >>>>>> Check it out though. Friendly crowd, a few MCSM's and MSFT folk and a >>>>>> Dell >>>>>> guy here and there. >>>>>> >>>>>> We need more MVP's on there (cough cough) >>>>>> ________________________________________ >>>>>> From: [email protected] <[email protected]> >>>>>> on >>>>>> behalf of John Cook <[email protected]> >>>>>> Sent: Thursday, September 19, 2013 3:35 PM >>>>>> To: New Exchange Admin List ([email protected]) >>>>>> Subject: [Exchange] Google rejecting email >>>>>> >>>>>> So I have a user that is sending out mail to a number of Gmail >>>>>> accounts >>>>>> but >>>>>> one of them bounces with this error >>>>>> The sender does not meet basic ipv6 sending guidelines of >>>>>> authentication >>>>>> and >>>>>> rdns resolution of sending ip >>>>>> This has not happened to anyone else and I can email to my Gmail >>>>>> account >>>>>> fine. The recommended fix is to create a reg key and disable IPv6 >>>>>> which >>>>>> I am >>>>>> reticent to do. Exchange 2010 SP3 on 2008R2, I do not have a static >>>>>> IPv6 >>>>>> address on the server nor have I ever noted one in our MX records. >>>>>> Anyone >>>>>> else ever run across this? >>>>>> >>>>>> TIA >>>>>> >>>>>> John W. Cook >>>>>> Network Operations Manager >>>>>> Partnership For Strong Families >>>>>> 5950 NW 1st Place >>>>>> Gainesville, Fl 32607 >>>>>> Office (352)-244-1610 >>>>>> Cell (352) 215-6944 >>>>>> MCSE, MCP+I, MCTS, CompTIA A+, N+, Security+ VSP4, VTSP4 >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> ________________________________ >>>>>> >>>>>> CONFIDENTIALITY STATEMENT: The information transmitted, or contained >>>>>> or >>>>>> attached to or with this Notice is intended only for the person or >>>>>> entity to >>>>>> which it is addressed and may contain Protected Health Information >>>>>> (PHI), >>>>>> confidential and/or privileged material. Any review, transmission, >>>>>> dissemination, or other use of, and taking any action in reliance >>>>>> upon >>>>>> this >>>>>> information by persons or entities other than the intended recipient >>>>>> without >>>>>> the express written consent of the sender are prohibited. This >>>>>> information >>>>>> may be protected by the Health Insurance Portability and >>>>>> Accountability >>>>>> Act >>>>>> of 1996 (HIPAA), and other Federal and Florida laws. Improper or >>>>>> unauthorized use or disclosure of this information could result in >>>>>> civil >>>>>> and/or criminal penalties. >>>>>> Consider the environment. Please don't print this e-mail unless you >>>>>> really >>>>>> need to. > >
