IPv6 Blog

News and comments from the IPv6 product team at Microsoft.

IPv6 Blog

  • Vista and IPv6 = Problems?

    I have been asked a lot recently if Vista works okay with IPv6. Apparently some people are hearing that Vista doesn't implement IPv6 correctly and it breaks your network, or something to that effect. The short answer is: YES! Everything in Vista works...
  • World IPv6 Day and Windows

    The Internet Assigned Numbers Authority ( IANA ), the international body responsible for distributing Internet addresses, completed their last allocation of Internet Protocol version 4 (IPv4) address blocks on February 3, 2011 2010 . IPv4 addresses are...
  • Mobile IPv6 and Vista

    As a host moves around, it may be assigned different IP addresses based on its location. When this happens, the host acquires a new IP address and continues to operate, but the previous TCP connections are invalid and torn down. Normally this process...
  • Understanding IPv6, 3rd Edition is published!

    After four and a half years of waiting, I am both proud (and relieved) to announce the publication and availability of Understanding IPv6, 3 rd Edition ( Amazon page ). This title, an update to Understanding IPv6, 2 nd Edition , is the definitive...
  • Hello World!

    Hello. My name is Sean Siler, and I am one of the three IPv6 Program Managers at Microsoft. I am externally facing, meaning my job is to talk to customers about IPv6 and determine what their concerns are, answer their questions, and ensure that any valid...
  • Mythbusters #1: No one is using IPv6 [UPDATED]

    Hmm, let's bust this myth with a quick experiment. You can all take part. In order to be a valid test, you need to meet the following requirements: 1. You must have a cell phone/smartphone/PDA 2. You must use Sprint or Verizon Wireless as your carrier...
  • MS Enterprise IPv6 Deployment TechNet Webcast available

    Take a look at the MS Enterprise IPv6 Deployment TechNet Webcast for information about the requirements for IPv6 on the Microsoft corporate network, Microsoft’s IPv6 deployment strategy, its current state, lessons learned along the way, and suggested...
  • Don’t fall behind, start your IPv6 planning now

    A recent survey by the Number Resource Organization (NRO) of over 1,500 network operators found that 84% either have or are considering obtaining public IPv6 address space from Regional Internet Registries (RIRs). See No IPv6 plan? You're behind schedule...
  • Windows 7 passes Phase-2 testing and is IPv6 Ready

    The University of New Hampshire Interoperability Laboratory has certified Windows 7 as IPv6 Ready , which confirms via third-party testing that the IPv6 protocol in Windows 7 complies with interoperability and conformance tests defined by the IPv6 Ready...
  • I can do that in IPv4!

    One of the comments that I hear a lot (and I am sure to receive on this site) is "But I don't need IPv6 for that! I can do that in IPv4!" It is true that a lot of what we can do in v6 we can do in v4 as well. That's because v6 is based on v4 and needs...
  • Mythbusters #2: Stanford has more IP addresses than China

    Let's tackle our second myth. There is a factoid on the Internet that some American universities (normally listed as either Stanford or MIT) have more IP addresses than the entire country of China. This has been repeated in the mainstream press so often...
  • Available public IPv4 address space passes ominous milestone

    The Number Resource Organization (NRO) announced that the percentage of available public IPv4 address space has dropped below 10%. See a summary of the announcement in NetworkWorld here . See the full announcement here . IPv6, your time...
  • Exchange Server 2007 and IPv6

    Exchange 2007 and IPv6 compliance; this is a topic that comes up quite often.  People want to know what they need to install to make this work. In order to get IPv6 running on Exchange Server 2007, you will need to meet a few requirements. ...
  • Disabling IPv6 Doesn't Help

    Hola. Bonjour. Speaking a second language can be very helpful – it allows you to communicate in situations where you otherwise wouldn’t be able to. Some skilled linguists are fluent in six or seven languages, really maximizing their communication...
  • Windows Vista Earns IPv6 Ready Logo Phase 2

    On October 25, 2007, Windows Vista earned the IPv6 Forum’s IPv6 Ready Phase 2 Logo from the IPv6 Consortium and University of New Hampshire - InterOperability Lab (UNH-IOL).  Vista earned its Phase 1 Logo, which focuses on interoperability...
  • Teredo in Windows Vista: Designed with security in mind

    I am pleased to present Christian Huitema as a "guest blogger" today. Thanks for contributing, Christian! -Sean   Hi, I am Christian Huitema, Distinguished Engineer in Windows, and the author of the Teredo protocol specification RFC 4380...
  • Understanding IPv6, Second Edition

    Joe Davies, a.k.a. "The Cable Guy", has completed the update to his excellent "Understanding IPv6" book! I highly recommend this book - it will help you understand IPv6 in general as well as some Microsoft-specific information. Good stuff! Understanding...
  • Windows Server 2008 Earns IPv6 Ready Logo Phase 2

    We recently announced that Windows Vista received its IPv6 Ready logo from the IPv6 Consortium and University of New Hampshire - InterOperability Lab (UNH-IOL). Today we are proud to announce that Windows Server 2008 has received its Phase 2 logo on Jan...
  • Promoting IPv6 cited as one of the top five Internet emergencies for new U.S. Commerce Secretary

    Network World Magazine recently reported on the top five Internet emergencies faced by the new U.S. Commerce Secretary. Of the five, number four was the promotion of IPv6. One of the methods to promote IPv6 is to continue the U.S. government’s deployment...
  • "The Seven Stages of IPv6 Adoption" audiocast from the Internet Society (ISOC) now available

    On Tuesday, "a panel of experts from industry and other Internet thought leaders discussed the pressing need to adopt Internet Protocol version 6 (IPv6) to ensure the continued growth of the Internet as a platform for innovation." See http://www.isoc...
  • New Technical Resources for DirectAccess

    Check out these new technical resources for DirectAccess , the next-generation remote access feature in Windows 7 and Windows Server 2008 R2 that uses IPv6 for end-to-end connectivity and IPsec for traffic protection: DirectAccess and the Thin Edge...
  • More New Technical Resources for DirectAccess

    Check out these new technical resources for DirectAccess , the next-generation remote access feature in Windows 7 and Windows Server 2008 R2 that uses IPv6 for end-to-end connectivity and IPsec for traffic protection: DirectAccess Datasheet ...
  • Major carriers ramping up support for IPv6

    Check out these recent articles in Network World that describe how major carriers for Internet traffic are now supporting IPv6 or developing support for IPv6: · Comcast open for IPv6 business · LTE devices must support IPv6, says Verizon · U...
  • Cable Guy article on the IPv6 enhancements in Windows Server 2008 R2 and Windows 7 now available

    The Cable Guy article in the July 2009 issue of TechNet Magazine online, titled “ Support for IPv6 in Windows Server 2008 R2 and Windows 7 ,” describes HomeGroup, DirectAccess, and the enhancements for IPv6 transition technologies. Joe Davies Principal...
  • New ARIN CEO stresses the IPv4 address depletion problem and the importance of migrating to IPv6

    Network World interviews John Curran, the new president and CEO of the American Registry for Internet Numbers (ARIN), in Internet's biggest issue? IPv6 transition, new ARIN CEO says . Some direct quotes from John Curran: · IPv4 address depletion...