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Active Directory Controller lost - Can I connect Exchange to new ADC?

    Question

  • Hello,

    I have a similar question as posted in http://social.technet.microsoft.com/Forums/exchange/en-US/d9e0feaf-ef95-4b43-9b3a-34131f6cf478/exchange-2010-lost-domain-controler -- but as there were no solutions I'm reaching out.

    I have a client with the urgent situation as follows:

    A single 2008R2 ADC

    A separate 2010 Exchange Server

    The ADC had a RAID failure and despite multiple backups there is registry corruption and the server won't boot. I have spent extensive time on this, including with Microsoft, and as hard as it is for me to accept, it seems I cannot get the ADC up and running again.

    The e-mail needs to function, so if I create a NEW domain controller, is there any way to recreate the users and link them to Exchange?  I need mail to flow and users to access their mailboxes.  The clients e-mail is down and any practical suggestions are appreciated!

    Thursday, June 20, 2013 9:49 AM

Answers

  • Hi,

    I am afraid you have to firstly restore the AD from backup. You can consult our Windows Server forum to know the restore details.

    http://social.technet.microsoft.com/Forums/windowsserver/en-US/home?category=windowsserver

    Thanks,

    If you have feedback for TechNet Subscriber Support, contact tnsfl@microsoft.com


    Simon Wu
    TechNet Community Support

    Friday, June 21, 2013 3:02 AM

All replies

  • Hi,

    I am afraid you have to firstly restore the AD from backup. You can consult our Windows Server forum to know the restore details.

    http://social.technet.microsoft.com/Forums/windowsserver/en-US/home?category=windowsserver

    Thanks,

    If you have feedback for TechNet Subscriber Support, contact tnsfl@microsoft.com


    Simon Wu
    TechNet Community Support

    Friday, June 21, 2013 3:02 AM
  • If you are sure you can't recover the AD, even in a much older date, build a new AD and new Exchange, you'll be in some Ring Tone scenario (no data), once you get mailflow restored, you can get some extra time to try to recover your Exchange.

    If you can, get the same domain name and exchange organization name, I've never tried it, but it seem you can mount database from another forest if domain name, exchange org name and schema version match, else you can use 3thd party tool to mount database and extract data to PST.


    Bruce Jourdain de Coutance - Consultant Exchange http://brucejdc.blog.free.fr

    Friday, June 21, 2013 6:59 AM
  • Hello.  Thank you for your reply.  Unfortunately it seems that even our ADC backup was corrupted. I worked with MS Active Directory support, but we were unable to restore the AD, so the ADC is completely lost in the this scenario.
    Friday, June 21, 2013 5:20 PM
  • Hi,

    Sorry to hear that. Then we can consider the suggestion provided by Bruce but it will be a little time consuming.

    Have a good luck,

    Simon

    If you have feedback for TechNet Subscriber Support, contact tnsfl@microsoft.com


    Simon Wu
    TechNet Community Support

    Monday, June 24, 2013 3:15 AM