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The first thought that came to mind: since we're running several Linux servers already on IPv6-only, would it be possible to run a Windows server also exclusively on IPv6?
Last year my intern Joris Claassen has proved that it was possible to run a basic VMware VSphere cluster on IPv6 only, and that included a Windows box as well. So things look bright.
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Same story here. Activating Windows is done by several HTTP POSTs to URLs in the go.microsoft.com domain, which is not (yet) accessible through IPv6:
http://go.microsoft.com/fwlink/?LinkID=88342 | Processor Certificate URL |
| http://go.microsoft.com/fwlink/?LinkID=88343 | Machine Certificate URL |
| http://go.microsoft.com/fwlink/?LinkID=88345 | Use License URL |
| http://go.microsoft.com/fwlink/?LinkID=88344 | Product Key Certificate URL |
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