Microsoft KB Archive/329984

= Windows Server 2003 6to4 Router Service Quits When You Advertise a 2002 Address on the Public Interface =

Article ID: 329984

Article Last Modified on 12/3/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows Server 2003, 64-Bit Datacenter Edition
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Small Business Server 2003 Standard Edition
 * Microsoft Windows Small Business Server 2003 Premium Edition

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This article was previously published under Q329984



SYMPTOMS
When you publish a route to an interface on a Windows Server 2003-based computer that is configured as an IPv6 6to4 router, the 6to4 router service quits unexpectedly.



CAUSE
This issue occurs because the network stack disables the 6to4 interface when you add a 2002 address to the public interface.

By default, the 6to4 interface is disabled when you have a global address. When the 2002 address is added to the public interface, the stack recognizes this as a global address and therefore disables the 6to4 interface.



WORKAROUND
To work around this issue, manually set the 6to4 state to enabled. To do this:
 * 1) Click Start, click Run, type cmd in the Open box, and then click OK.
 * 2) Type netsh interface ipv6 6to4 set state enabled, and then press ENTER.
 * 3) Close the command prompt.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
For additional information about how to manually configure IPv6, visit the following Microsoft Web site:

http://www.microsoft.com/technet/community/columns/cableguy/cg0902.mspx

Keywords: kbbug kbpending KB329984

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