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Primary domain controller has crashed, and exchange 2010 don't find the secondary one!

I also promote the secondary to Primary but still nothing. Mistakenly restarted the Exchange server and now I have nothing (no Management Console, no Management Shell).

Is there any file to edit and specify correct DC?

Thanks

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2 Answers 2

Reset to default
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No such thing as primary and secondary domain controllers. All domain controllers are equal.

Exchange should find the domain controller automatically. Ensure the DNS within the OS is configured correctly and that the second domain controller is also a global catalog.

If the original DC has gone away (so cannot be recovered) then you will need to seize the FSMO roles. After doing that, clean up the domain to remove the domain controller properly.

Once you have seized the FSMO roles, checked DNS and global catalog, reboot the Exchange server again and the services should start.

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  • Thanks for reply. where should i set the DNS ! Which one OS you mean?
    – ARS
    Jul 13, 2016 at 12:32
  • The secondary is as GC.
    – ARS
    Jul 13, 2016 at 12:36
  • about the FSMO! how can i connect to server when its already gone! (I tried FSMO using this link )
    – ARS
    Jul 13, 2016 at 12:37
  • The second domain controller should have DNS on it, so set the Exchange server should be set to use that as the DNS server. Seizing the roles is specifically designed for the scenario of the failed domain controller. Try these instructions instead. briandesmond.com/active-directory/…
    – Sembee
    Jul 13, 2016 at 16:21
  • I've done Seizing the PDC.
    – ARS
    Jul 16, 2016 at 7:00
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using this command "NLTest /DSGetSite" I just solved the problem. thanks for reply

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