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Active Directory 2003 - Error 1083

Posted on 2009-05-13
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Last Modified: 2012-05-06
Hello...

A few days ago we started getting 1955 & 1083 errors on one of our domain controllers.       We have 4 Windows 2003 domain controllers running a Windows 2003 functional domain.       These errors seem to be occurring when people are changing their password.     When the user changes their password and then logs into various applications there have been a few users that have been able to use both new and or old password for a period of time.

 When I run repadmin /showreps everything is coming back as being successful {on all dcs}.   The only thing that I have noticed is that there seems to be a signification delay {45 minutes at times} on the Schema/Configuration replication during the busy times of the day.  

I have read a number of articles that point to being an issue with a duplicate object in the ad.    I went through and searched with lpd as described and did not find anything unusual.. but I could have missed something.

Any suggestions on how to track this problem down would be greatly appreciated.  



--------------------------------
Warning thrown - 1955

Active Directory encountered a write conflict when applying replicated changes to the following object.
 
Object:
CN=username,CN=Users,DC=ourdomain,DC=com
Time in seconds:
0  
 
Event log entries preceding this entry will indicate whether or not the update was accepted.
 
A write conflict can be caused by simultaneous changes to the same object or simultaneous changes to other objects that have attributes referencing this object. This commonly occurs when the object represents a large group with many members, and the functional level of the forest is set to Windows 2000. This conflict triggered additional retries of the update. If the system appears slow, it could be because replication of these changes is occurring.
 
User Action
Use smaller groups for this operation or raise the functional level to Windows Server 2003.

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Error 1083

Active Directory could not update the following object with changes received from the domain controller at the following network address because Active Directory was busy processing information.
 
Object:
CN=username,CN=Users,DC=ourdomain,DC=com
Network address:
fqdn._msdcs.ourdomain.com
 
This operation will be tried again later.
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Question by:fertigj
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by:Donald Stewart
Donald Stewart earned 100 total points
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by:fertigj
ID: 24384877
I checked the nic binding on the dcs and one was in the wrong order...   I don't think this was the cause of the current problems...but it would explain an error that pops in occasionally when we reboot the dc's.    The only thing that seems to fix the problem is offline the one domain controller.      Once I took that box offline the errors stopped.    

 I also double checked for scheduled tasks and didn't find anything on the domain...ie  the accounts that are causing errors are user accounts / not service accounts.    This is something that I will write into our log checking system.
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fertigj earned 0 total points
ID: 24527396
I finally called Microsoft about this and after a bit we determined that the events were largely caused by a web application that we use for password management/changes.    The application was sending multiple password change requests to the ad in a short time period and this was causing the errors that we were seeing.   For the new password/old password behavior that we were seeing..  

http://support.microsoft.com/kb/906305

Hopefully someone finds this useful :)
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by:fertigj
ID: 24527423
answered via a support call to microsoft
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