NTDS ISAM Errors in Event Log

Discussion in 'Active Directory' started by Mark, May 7, 2004.

  1. Mark

    Mark Guest

    Getting errors with even ID's of 507. 508. 509, and 510
    All errors happening around the same time every day, between around 8am and 9am
    Users reporting login errors, severe slowdowns access network resources (printers, email, shares) during this time
    Errors are for taking an abnormally long time to read or write from files in C:\Winnt\NTDS directory (ntds.dit and edb.log). Read/writes succeed but take up to 100 seconds to process. Error mentions possible hardware failure
    These errors seem to have started after taking an old NT4.0 BDC offline

    Any ideas on how to clear this up would be greatly appreciated.
     
    Mark, May 7, 2004
    #1
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  2. Mark

    Al Mulnick Guest

    You have an error like this?
    Source: NTDS ISAM
    Event ID: 507
    Description:
    NTDS (512) NTDSA: A request to read from the file "D:\WINNT\NTDS\ntds.dit"
    at offset 79896576 (0x0000000004c32000) for 8192 (0x00002000) bytes
    succeeded, but took an abnormally long time (60 seconds) to be serviced by
    the OS. This problem is likely due to faulty hardware. Please contact your
    hardware vendor for further assistance diagnosing the problem.


    If so, do like it says and check the hardware. You may have a faulty drive,
    controller, motherboard, etc, or you could just be disk bound. You need to
    investigate the hardware though.


    Al




    (printers, email, shares) during this time.
    in C:\Winnt\NTDS directory (ntds.dit and edb.log). Read/writes succeed but
    take up to 100 seconds to process. Error mentions possible hardware failure.
     
    Al Mulnick, May 7, 2004
    #2
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  3. Mark

    Mark Guest

    I just got 2 new HD's in today that I will be installing tommorow to check out that possibility
    The only thing that was leaning me away from a hardware problem was it happening every day this week so far at around the same time each day.
     
    Mark, May 7, 2004
    #3
  4. Mark

    Al Mulnick Guest

    Curious to hear the results.


    happening every day this week so far at around the same time each day.
     
    Al Mulnick, May 8, 2004
    #4
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