Widonws 2003 Domain Controller

Posted on 2009-02-18
Last Modified: 2012-06-27
I need some help. I am using a windows 2003 server. I am receiving this error in the event log. how can i correct this?

Event Type:      Warning
Event Source:      NTDS Replication
Event Category:      Backup
Event ID:      2089
Date:            2/17/2009
Time:            11:22:47 PM
Computer:      ACSMS01
This directory partition has not been backed up since at least the following number of days.
Directory partition:
'Backup latency interval' (days):
It is recommended that you take a backup as often as possible to recover from accidental loss of data. However if you haven't taken a backup since at least the 'backup latency interval' number of days, this message will be logged every day until a backup is taken. You can take a backup of any replica that holds this partition.
By default the 'Backup latency interval' is set to half the 'Tombstone Lifetime Interval'. If you want to change the default 'Backup latency interval', you could do so by adding the following registry key.
'Backup latency interval' (days) registry key:
System\CurrentControlSet\Services\NTDS\Parameters\Backup Latency Threshold (days)

For more information, see Help and Support Center at
Question by:ipcipher
    LVL 8

    Accepted Solution

    Use windows backup to backup the system state data
    LVL 1

    Author Comment

    How can i disable this from showing in the event log? Any registry modification that can be done? I am using Acronis to make a backup image of the whole server.
    LVL 76

    Assisted Solution

    Schedule the ntbackup (scheduled tasks) to backup the system state every thirty days.
    It is not good to backup a DC as an image because of the dynmic data in the AD.

    i.e. if the DC failed today and you restore it with a disk image from yesterday while other changes were made to the AD (users or GPOs added/deleted) , the DC Image will not function well if at all because the AD sequence  it has is no longer current, you need to restore a recent system state to bring the server back as functional.

    LVL 8

    Expert Comment

    I'd still backup the system state.  It's easy to do.

    Your Image backup will be of no use to you if your AD gets corrupt or damaged.
    LVL 1

    Author Comment


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