NTDS Replication Event 2089 is logged if Windows Server 2003 SP1 and later domain controllers are not backed up in a given time period

NTDS Replication Event 2089 is logged if Windows Server 2003 SP1 and later domain controllers are not backed up in a given time period


Event Type: Warning


Event Source: NTDS Replication

Event Category: Backup Event ID: 2089

Description: This directory partition has not been backed up since at least the following number of days.
90

http://support.microsoft.com/kb/914034





Directory partition:

DC=domainDC=com



"Backup latency interval" (days):

90


it's actually 90 days on windows sp2 server (DC)

use ntbackup to flush