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Every time I restart my server (Windows Server 2008 R2 Enterprise) the following DCHP events appear with the ID 10020 in my event log. I have a static IPv6 address but this event is still being generated.

I searched on the web and on most of the forums are saying if the IPv6 address is static and is configured, to ignore this warning, but I am not so convinced

Event ID:      10020
Source:        Microsoft-Windows-DHCP-Server
Type:          Warning
Description:
This computer has at least one dynamically assigned IPv6 address. For reliable DHCPv6 server operation you should use only static IPv6 addresses.
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The full event text would be very helpful, rather than us having to Google for it. – Ben Pilbrow Jan 16 at 19:14
I am 99% sure I have pasted the correct event text. Please verify this and correct if necessary. – Ben Pilbrow Jan 16 at 19:37
Thank you Ben, that is the correct event description – wulffgarr Jan 17 at 8:13
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1 Answer

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Event ID 10020 = This computer has at least one dynamically assigned IPv6 address

Having a static IP assigned in IPv6 does not perclude a dynamic IP address assignment. IPv6 is not simply IPv4 with bigger addresses. Check your local and network configruation again.

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I do not now how to configure exactly. I just added static ipv6 and i thought that will solve the problem. But i see it shows more ipv6 addresses. So i don't know what to do – wulffgarr Jan 17 at 8:34
The other IP must be coming from somewhere, DHCPv6 or Stateless. Sounds like this is a DHCPv6 server, is there another computer that is the DG and has announcements configured? – Chris S♦ Jan 17 at 13:27
There is no other computer that is DG. But is no other way to check the configuration? To see maybe is something wrong, or? – wulffgarr Jan 18 at 8:44
If you cant find it in the configuration you'll have to break out something like Wireshark and see what's going on at the wire. – Chris S♦ Jan 18 at 13:26
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