Discussion in 'Active Directory' started by Ashraf, Jan 27, 2006.

  1. Ashraf

    Ashraf Guest

    I really need any help with this, I have a DC running Windows 2000 that
    started to have problem with the replication and getting two errors all the
    time. The first error is event ID 404 with the description below:
    NTDS (280) Synchronous read page checksum error -1018 ((1:54555 1:54555)
    (0-62152712) (0-72471798)) occurred. Please restore the databases from a
    previous backup.

    And then I get a second error with event ID 1262 with the description below:
    The Security Descriptor Propagator has been abnormally terminated with error
    code e0010004 while processing object

    My Intrasite replications is working but the problem here is the Intersite
    replication. I tried to demote the DC but got and error about the DS database
    and the process failed.

    I really appreciate any help with this.
    Ashraf, Jan 27, 2006
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  2. Hi Ashraf.
    You have a checksum problem on this page. That basically means, the page is
    corrupt. More often than not, these sorts of corruptions bubble up from the
    hardware layer. We push a lot of I/O, occasional bitflips in hardware

    The best step for this would be to simply offline defrag the database. If
    the corruption is in, say, a secondary index....you'll recover. If an
    offline defrag doesn't fix you, I'd suggest you repromote this box and
    dcpromo it off of one of your other DCs. No reinstall is likely required,
    just demote and then promote the box again should be fine.

    Sorry it isn't better news. :(
    Eric Fleischman [MSFT], Jan 27, 2006
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  3. Ashraf

    Ashraf Guest

    Thanks Eric for you answer but I have two questions, first to do off line
    defrage, I have to go to the DSR mode and do disk defrag or there is a
    command to do it only for the database.
    Second, how could I demote the server when I'm getting the errors on the
    dcpromo wizzard?

    Ashraf, Jan 27, 2006
  4. Yes, a defrag would be done in DS restore mode.
    Oh, no, not a disk defrag. This would be a database defrag. You'd use
    esentutl /d for this.

    To demote, you can use dcpromo /forceremoval.


    Eric Fleischman [MSFT]
    Microsoft Windows Server Division
    This post is provided "AS IS" with no warranties, and confers no rights

    Eric Fleischman [MSFT], Jan 30, 2006
  5. If you do the /forceremoval, you will need to cleanup the DC - follow

    For instructions on how to perform the defrag of the DIT, refer to kb232122.
    Use NTDSUTIL first. Only use ESENTUTIL if you know exactly what you are
    Paul Williams [MVP], Jan 30, 2006
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