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Windows Server 2008 R2 Thread, Replacing old DC problems. in Technical; Hmm... things shouldn't stop working if done correctly. Are all the client machines using the new DC as their DNS ...
  1. #31

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    Hmm... things shouldn't stop working if done correctly.

    Are all the client machines using the new DC as their DNS server?

  2. #32

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    They are yes!

  3. #33

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    Odd then that things would stop working completely. But if Active Directory is still referring to the old DC this could cause a lot of problems.

    I'd try and fix the problem before going down the destructive route.

  4. #34

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    Yeah I agree, It's the fixing of the problem that's proving difficult at the moment sadly .

  5. #35

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    Yes, sorry, didn't mean to patronise. Good luck.
    Feel free to ask any more questions!

  6. #36

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    Haha don't worry you didn't! If I knew what to ask I would. It's confusing me as to why it's not working. If I try to demote the old server from DC using DCPROMO, it tells me that it could not find any other domain controllers for the domain. But if i try to demote the new server from DC I don't get that message and can successfully demote it.

    It is certainly something with the old server that's wrong.

  7. #37

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    If you update something in netlogon on the new DC does it get replicated to the old DC?

  8. #38

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    Netlogon is supposed to be a share right? If so the new server doesn't have one.

  9. #39

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    If the new server is a DC in the same domain as the old DC then it should have a netlogon share.

    \\servername\netlogon

  10. #40

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    Hmm, this one doesn't. I've just found an artical on how to get the DC to produce one, so i'll do that now and see if anything changes!

  11. #41

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    after following this artical, the netlogon share has still not been created. The netlogon service is running though!

  12. #42


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    before you do ANYTHING with sysvol / netlogon take a copy of it first I had a server where I needed to rebuild it and thank f id copied it off it deleted all my policies in the process

  13. Thanks to sted from:

    forde52 (14th November 2013)

  14. #43

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    Good Idea, I'll do that now! Although it doesn't make it easy when explorer crashes when you click on it anywhere (this is on the old server).
    Last edited by forde52; 14th November 2013 at 01:23 PM.

  15. #44

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    You have probably tried all of this already but a good guide here :
    itToby: Safely Demote a Windows 2008/r2 Core Domain Controller

  16. #45

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    Not wanting to divert you from your replication DNS issues which you probably should sort first but when I had a server that would not demote doing a dc promo I had to make sure DNS nic settings and Wins settings on the old server were only pointing to the old server(noting in line 2 of the dns nic settings), make sure it was not a GC anymore and for some reason disable any extra network cards.

    Just my 2 pennies worth which you can choose to ignore.

  17. Thanks to edutech4schools from:

    forde52 (14th November 2013)

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