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NLTEST.EXE / BDC_Query Error

Posted on 2012-12-29
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Last Modified: 2013-01-15
Hi,
I'm running a health inspection for our Active Directory (2003 Native).
I run this command - nltest.exe /bdc_query:DOMAIN_NAME

All but one servers were succesfull with the following notification:
        SyncState :  IN_SYNC
        ConnectionState : Status = 0 0x0 NERR_Success


The one server who had an error notification gave me this error:
        ConnectionState : Status = 1311 0x51f ERROR_NO_LOGON_SERVERS

And i have no knowledge on this error or how to fix it?
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Question by:johnnyjonathan
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by:yo_bee
ID: 38729654
Since you are running Active Directory 2003 in native mode there is not true BDC anymore.
This existed in NT 4.0 Domain Controllers. So this switch does not apply to your enviroment and I am not 100% sure it would apply to anyone anymore since we are now on Server 2012 (5 verisons since NT 4.0)

From http://technet.microsoft.com/en-us/library/cc731935(v=ws.10).aspx

/bdc_query: <DomainName>
 Queries for a list of BDCs in DomainName, and then displays their state of synchronization and replication status. You can use this parameter only for Windows NT 4.0 domain controllers.
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yo_bee earned 2000 total points
ID: 38729658
You will have a server (if in a single domain w/o any child domains) hold all 5 FSMO roles.
You can consider that your primary DC, but in regards to an actual BDC role that does not exist anymore as of 2000 AD.  If all your DC's are in the same site located in the Site and Services MSC it is a round robin which server the client uses to authenticate to.
So Client A and Client B both are on the same subnet and 3 DC's are on this subnet.
Client A and B can both be authenticated to Server A.
Or Client A can auth to Server A and Client B to Server B, but next logon the can be switched.
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by:yo_bee
ID: 38729664
Have you looked at the event logs on the server with the issue.
See if the  KB articale from MS could shed some light on your situation.
http://support.microsoft.com/kb/321044

Also you might want to use REPADMIN to see if the topology is in a consistant state.
http://technet.microsoft.com/en-us/library/cc770963(v=ws.10).aspx

Also DCDIAG /ReplSource:<SourceDomainController>
http://technet.microsoft.com/en-us/library/cc731968(v=ws.10).aspx
Tests the connection between the domain controller on which you run the command and the source domain controller. (This parameter is used for the CheckSecurityError test.) SourceDomainController is the DNS name, NetBIOS name, or distinguished name of a real or potential server that will be the source domain controller for replication, as represented by a real or potential connection object.
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Author Closing Comment

by:johnnyjonathan
ID: 38780861
Thanks!
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