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wireshark nbns traffic

Posted on 2008-10-13
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Last Modified: 2012-08-14
In wireshark it show that a few of my machines have  traffice to a domain controller that is not in the domain any more.  it gererates traffice on nbns protocol,  what causes this and how can i stop it.. pix
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Question by:ckness
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Pugglewuggle earned 500 total points
ID: 22708872
NBNS is just the NetBIOS Name Service - short for NetBIOS. As you can see, it's a broadcast protocol.
This means that you need to update all the machines on your network that have static IPs with the new WINS server info - it's still trying to use WINS to the old server.
Another thing - make sure you update the WINS option on you DHCP server for all scopes and release/renew all DHCP clients after this.
Cheers! Let me know if you have any questions!
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by:ckness
ID: 22710565
in this day and age do i still need wins /   with dns resolution
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by:Pugglewuggle
ID: 22710583
It depends on the version of clients on the network. If all Vista/Windows Server 2008 then no, not really.
If you're using XP or below and WS 2003, then it is highly recommended.
Cheers!
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