Article ID: 836790 - View products that this article applies to.
After you install Microsoft Internet Protocol version 6 (IPv6) on a Windows XP-based computer that uses only Point-to-Point Protocol (PPP) connections such as ISDN connections or dial-up connections, you cannot connect to IPv6 addresses using a IPv6 tunnel.
This problem may occur if the computer is not equipped with a physical network adapter. The problem occurs because the internal periodic timer that the IPv6 driver uses is not started until a local area network (LAN) interface is registered.
Service pack informationTo resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322389/EN-US/ )How to obtain the latest Windows XP service pack
Hotfix informationTo resolve this problem, obtain the Advanced Networking Pack for Windows XP. For additional information about how to obtain the latest version of the Advanced Networking Pack for Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/817778/ )Overview of the Advanced Networking Pack for Windows XP
To work around this problem, install the Microsoft Loopback Adapter. To do so, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.
This problem was first corrected in the Advanced Networking Pack for Windows XP.
For more information about Microsoft IPv6 for Windows XP, visit the following Microsoft Web site:
http://technet.microsoft.com/en-us/library/cc700811.aspxFor more information about Microsoft IPv6, visit the following Microsoft Web site: