2008 DC Status Unavailable when changing directory server
Hello, while testing/playing withServer 2008, in my two separate test domains. One, a4 DC native 2008 domain and two, a mixed 2003 R2 / 2008 domain. I noticedwheneverI right click on my domain, from one of the roles, and choose change domain controller, and the change DirectoryServer menu comes up. It also shows my W2K8 DC's status as being Unavailable. MyW2K3 DC's all show Online. Why is that? It does not prevent me from managing them or performing any function that i know of. I have the firewall's off thinking it was some kind of SNMP traffic but that didn't change anything.Any ideas?Thanks
June 27th, 2008 3:33pm

I spoke to soon on my pervious post. Not all W2K8 DC show Unavailable, just the DC where i am consoled to.
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June 27th, 2008 3:44pm

Hi KVCCC, The "Online" status in the dialog box of "Chang Directory Server" means that DC is online to be connected from the other DC. What is the "Unavailable" status means that it doesn't make sense to connect to the DC that we have already logon. Hope it helps.Your potential. Our passion.
July 2nd, 2008 10:15am

David Shen - MSFT said: Hi KVCCC, The "Online" status in the dialog box of "Chang Directory Server" means that DC is online to be connected from the other DC. What is the "Unavailable" status means that it doesn't make sense to connect to the DC that we have already logon. Hope it helps. Your potential. Our passion. Are you sure about that?I setup a test enviorment with a 2003 dc, when i promoted a 2008 server, and both shows as online.then i added promoted a 2008 dc on my prod enviorment, and that shows as unavailable. as a result, when i transfer fsmo roles i get group policy problems./Michael
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August 18th, 2008 7:53am

G'dayI have this same issue MrMVP, have you worked out what this is about? I can still seem to change to that DC from another DC eventhough it says "Unavailable".
October 8th, 2008 2:06am

Same problem here.
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December 1st, 2008 8:07pm

HelloThis "status unavailable" can occur if you have disabled the IPv6 bindings on your NICs but not disabled IPv6 components. You can disable IPv6 components by editing the registry, check this out:http://support.microsoft.com/default.aspx/kb/929852. I've seen this in several environments.../Ragnar
December 28th, 2008 10:07am

I know this is old...but this is the only online link I found regarding this problem...and RagnarNO was right on the money about "IPv6" at least for our environment. Thanks!
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February 15th, 2010 9:40pm

I also experienced same issue. I enabled TCPIPv6 and the server status is now Online.
December 15th, 2010 7:31am

I also experienced same issue. I just enabled TCPIPv6 and the server status is now Online. It won't affect anything to have it on at this point
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May 19th, 2011 2:14pm

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