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Win 2003 Server Recovery

Posted on 2004-10-21
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Last Modified: 2010-04-26
Experts-

In the event that a Windows 2003 Server Domain Controller ceases to operate: What would you say are the essential recovery items a good disaster recovery technician should have?

Assume that any application databases and user directories have been successfully backed up to tape so eventual recovery of application data  and user files will be OK. I just need to know what are the most critical items to have to get the Server back on its feet.
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Question by:Brian_Blair
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    Expert Comment

    by:jainyc
    You should backup the system state data with your backup software.  I also like to record any special hardware configuration that were made.  I also keep a log of any drivers I updated.  And I like to keep all my drivers handy in case I need to do a reinstall.

    Hope this helps.
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    Assisted Solution

    by:nihlcat
    Server 2003 provides Automated System Recovery.  Regularly created ASR disks and the Operating System CD should be kept handy.  Detailed info on ASR is available here:

    http://www.microsoft.com/resources/documentation/WindowsServ/2003/all/deployguide/en-us/Default.asp?url=/resources/documentation/WindowsServ/2003/all/deployguide/en-us/sdcbc_sto_zbin.asp
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    Assisted Solution

    by:Panjandrum
    These are the guidlines for preparing a Disaster recovery

    -Create a disaster recovery plan for performing regular backup operations
    -Test your backup files and your backup plan
    -Keep two sets of backed-up files (onsite/offsite)
    -Create a redundant copy of the system state data
       - Registry, Boot files, Com+ Class Registration, including system files, SYSVOL directory, IIS metadirectory (if  
         installed), System files that are under Windows File protection
    -Install the recovery console as a startup option
    -keep the installation cd with you

    tools in the preferred order of use (from little to no risk of data till potential data loss)
    - Safe mode
    - Last known Good configuration
    - Backup
    - Recovery Console
    - ASR
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    Author Comment

    by:Brian_Blair
    Thanks for the suggestions , please keep them coming.


    jainyc- If I have a backup of the system state data how would I go about restoring it in the event of failure

    Also, no one out there suggested Emer repair Disks- are they a thing of the past???

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    Expert Comment

    by:jainyc
    I've restored the system state data using MS's backup software.  As other have said you can use ARS.  However if you're using a third party solution like I am then you have to follow their instructions.  If you have multiple domain controller you have to decided between an authoritative or non authoritative restore.

    1. Restart the system
    2. Press F8
    3. At the options menu choose 'Directory Services Restore
    Mode'
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    Expert Comment

    by:nihlcat
    Panjandrum, thanks.  I failed to mention ASR as being the option of last resort.  Some of my answers are too short! :(
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    Assisted Solution

    by:katacombz
    Caution

    Do not depend on ASR to back up and recover user data files stored on the boot and system volumes. In addition, because your system volume is formatted during the ASR recovery process, any user files or directories located on those volumes are lost.
    http://www.microsoft.com/resources/documentation/WindowsServ/2003/all/deployguide/en-us/Default.asp?url=/resources/documentation/WindowsServ/2003/all/deployguide/en-us/sdcbc_sto_axho.asp

    it cvan also format any other partitioins it can access at this point that asr starts.

    asr may recover your O\S but if you have not backed up data on other partitions this option should not be choosen.
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    Author Comment

    by:Brian_Blair
    jainyc- In some cases it would be a server that is one of several domain controllers. What is the authoritative vs. non-authoritative restore all about?? Can you elaborate?
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    Assisted Solution

    by:stevegw62
    If you are comfortable that all data is backed up. What I have done in the past is to make the system drive small enough to take AD and required applications only usually between 2 and 3.5 gig partition. And another partition or two for everything else and then create a bootable image of the entire C drive, using ghost or something similar. Then I recreate this system image to DVD every 4 weeks. This does depend heavily on how often the Servers config is changed though. The machines I do this on are not changed often, If the system state is changed regularly it is not a possibility.
    It maybe worth looking at as data recovery is a piece of cake if this option is available to you.
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    Accepted Solution

    by:
    authoritative vs. non-authoritative

    Basically an authoritative restore takes the DC directory from tape or other media and copies it to the DC when that DC goes online it
    and then replicates the restored AD it to otherDC in the domain.  
    A Non-authoritative restore allows the DC to accept any updates from other DC since it went down.

    http://www.winnetmag.com/windowsnt20002003faq/Article/ArticleID/41168/windowsnt20002003faq_41168.html
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