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Access with IPv6 fails since yesterday

Hi,

i try to connect to SharePoint Online by IPv6. I'm currently running in Dual Stack.

I can browse to other Websites without a Problem, because they are not announcing an IP address for a Server, which does not work (most of them). And when they do (like Google.com), I get the Webpage delivered by IPv6.

C:\Windows\System32>nslookup mytenant.sharepoint.com
Server:  $MYDNSServer
Address:  2a02:2528:... (snippet out)

Non-authoritative answer:
Name:    prodnet21-30selectora0001.sharepointonline.com.akadns.net
Addresses:  2a01:111:f402:940e::26
          191.234.198.26
Aliases:  mytenant.sharepoint.com
          prodnet21-30a0001.sharepointonline.com.akadns.net

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This is what nslookup gets. And the Windows System tries to connect to the IPv6 address. When I disable IPv6 on the Network Adapter, i have no Problems anymore.

It's not the first Service that does not really work with IPv6 (DirSync has the same Problem), but MS does provide a IPv6 Address for the specific URL, and I don't understand why. When they would remoce the IPv6 Host, everthing would work as expected.

Any Information about this Topic? And how can I have IPv6 enabled and browse to SharePoint.com?

Thanks


www.sccmfaq.ch


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