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Packets Received Unknown 100%

Hello ,

I have number of windows 2003 Servers each one is runing diffrent roles (Domain controllers,Exchange ,....etc).
I figure out there is a network performance issue on the domain controllers . When I run the Performance Monitor for Network Card on server . I found the each server has the following issue : The counter : Packets Received Unknown is always 100%.

What could be the cause of this issue and how I can Solve it.

Thanks.
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Arabsoft-ACS
Asked:
Arabsoft-ACS
1 Solution
 
MesthaCommented:
Network drivers fully up to date?
If they are not dated 2008 then they are not.

-M
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jfields71Commented:
I suggest using a packet sniffer to view the packets.  According to Microsoft, this counter is significant if the value is not trivial:
http://technet.microsoft.com/en-us/library/cc302601.aspx
\Network Interface(*)\Packets Received Unknown
      

Received unknown protocol packet rate.
      

Suspect if not negligible.

It could be a driver issue, as the previous poster suggested.  Best way to tell is to use Wireshark or similar packet sniffer on the server to view traffic and see if there is anything to be concerned about.
http://www.wireshark.org/ (it supports 2003)      
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