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Netlogon

Posted on 2009-05-18
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Last Modified: 2013-11-29
Gettting the following from our Remote users connecting:

During the past 4.14 hours there have been 5 connections to this Domain Controller from client machines whose IP addresses don't map to any of the existing sites in the enterprise. Those clients, therefore, have undefined sites and may connect to any Domain Controller including those that are in far distant locations from the clients. A client's site is determined by the mapping of its subnet to one of the existing sites. To move the above clients to one of the sites, please consider creating subnet object(s) covering the above IP addresses with mapping to one of the existing sites.  The names and IP addresses of the clients in question have been logged on this computer in the following log file '%SystemRoot%\debug\netlogon.log' and, potentially, in the log file '%SystemRoot%\debug\netlogon.bak' created if the former log becomes full. The log(s) may contain additional unrelated debugging information. To filter out the needed information, please search for lines which contain text 'NO_CLIENT_SITE:'. The first word after this string is the client name and the second word is the client IP address. The maximum size of the log(s) is controlled by the following registry DWORD value 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\LogFileMaxSize'; the default is 20000000 bytes.  The current maximum size is 20000000 bytes.  To set a different maximum size, create the above registry value and set the desired maximum size in bytes.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Question by:churchhousetrust
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barryhiggins3 earned 1500 total points
ID: 24416684
Hi,

To reolve this you need to configure IP ranges and subnets for you each of your sites.

Each site should have a Domain controller a DHCP server with scopes configured a DNS server (usually your Domain controller) with forward and reverse lookup zones replicating accross your sites.

This way when a P.C connects to your network it receives information from the DHCP server of the site it has connected to. It will also populate DNS and this will replicate accross the site meaning that this PC will be able to access network resources and be accessible from other sites.
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by:churchhousetrust
ID: 24419406
yea, looks like i managed to see how to fix this yesterday.
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