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Replace Domain Controller

Discussion in 'Software' started by mojorisin, May 4, 2006.

  1. mojorisin

    mojorisin Kilobyte Poster

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    Hi All

    Ok here's what i would like to do

    Have an existing domain that iam planning on changing the IP addressing on and would also like to replace the domain controller (win2ks) at the same time with new hardware and win2003s

    What is the best way to do this ?

    Is it possible to install the new hardware into the existing domain and dcpromo it into AD let it synchronize with AD and also setup the new DNS and DHCP scopes but disabled at this point and then when the time comes Demote the existing win2ks domain controller and then change to the new ip range and switch on the new dns and dhcp zone ?

    Anyone have any thoughts on this


    cheers
     
    WIP: 70-685 http://www.speedtest.net/result/3377759783.png
  2. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Sounds like a good plan to me! The only thing that I would do differently is to add DNS to the new server before removing it from the old server, that way AD will continue to work.

    8)
     
  3. AJ

    AJ Administrator Administrator

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    Can't argue there but if the new server is going to be 2003 you will need to to the domainprep / forestprep on the 2000 domain before promting your 2003 server to a DC
     
    Certifications: MCSE, MCSA (messaging), ITIL Foundation v3
    WIP: Looking at doing ..................
  4. mojorisin

    mojorisin Kilobyte Poster

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    The domainprep / forestprep had been run just after the Exchange server had been upgraded from exchange 2000 to 2003 ready for the server upgrade


    would it cause a problem to run it again ?

    so you cant see any major problems arising doing it this way then ?
     
    WIP: 70-685 http://www.speedtest.net/result/3377759783.png
  5. mojorisin

    mojorisin Kilobyte Poster

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    add the existing zone to the new server ?
     
    WIP: 70-685 http://www.speedtest.net/result/3377759783.png
  6. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    When you install DNS on the new server it will automatically pick up the zone as it is a DC and AD needs DNS to work.
     
  7. mojorisin

    mojorisin Kilobyte Poster

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    So when we then change the IP of the new domain controller to the new range and then demote the old domain controller everything should be ok (fingers crossed):biggrin
     
    WIP: 70-685 http://www.speedtest.net/result/3377759783.png
  8. mojorisin

    mojorisin Kilobyte Poster

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    Ran the Adprep /Forestprep and this is the error that was thrown up any ideas ?


    Loading entries................
    15 entries modified successfully.
    The command has completed successfully
    Connecting to "MY_SERVER"
    Logging in as current user using SSPI
    Importing directory from file "C:\WINNT\system32\sch25.ldf"
    Loading entries.............................................
    Add error on line 830: Busy
    The server side error is "The directory service is busy."
    44 entries modified successfully.
    An error has occurred in the program
    ERROR: Import from file C:\WINNT\system32\sch25.ldf failed. Error file is saved
    in ldif.err.25.
    If the error is "Insufficient Rights" (Ldap error code 50), please make sure the
    current logged on user has rights to read/write objects in the schema and confi
    guration containers, or log off and log in as an user with these rights and reru
    n schupgr.exe.
    Adprep was unable to upgrade the schema on the schema master.
    [Status/Consequence]
    The schema will not be restored to its original state.
    [User Action]
    Check the Ldif.err log file in the C:\WINNT\system32\debug\adprep\logs\200605041
    80547 directory for detailed information.

    Adprep was unable to update forest-wide information.
    [Status/Consequence]
    Adprep requires access to existing forest-wide information from the schema maste
    r in order to complete this operation.
    [User Action]
    Check the log file, Adprep.log, in the C:\WINNT\system32\debug\adprep\logs\20060
    504180547 directory for more information.


    F:\I386>
     
    WIP: 70-685 http://www.speedtest.net/result/3377759783.png

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