Network crashes when uses shut down his machine

Not sure how to troubleshoot this but when a client on the network shuts down at the end of the day, his machine powers down and no other user on the network is able to use network resources.

This is only remedied once the client machine restarts and / or then his network cable is taken out of the socket.

User machine is Win XP connecting to an SBS 2003 network.

Any ideas? I'm baffled.
richard1966Asked:
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jarrod_williamsConnect With a Mentor Commented:
Can you try assigning the client PC that is giving trouble a static IP address and restart it and see if the problem persists?
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JAN PAKULAICT Infranstructure ManagerCommented:
do you have any network crucial services installed on this pc? - check services for dhcp dns or wins.
maybe this computer is master browser for network?

check that

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_25044375.html?sfQueryTermInfo=1+10+30+browser+master

and that

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_21719011.html?sfQueryTermInfo=1+10+30+browser+master

Jan MA CCNA
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jarrod_williamsCommented:
What Network topology is set up in your network?

If your network is set up as a Ring topology this will happen.
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richard1966Author Commented:
The network is SBS 2003 in which the server controls access to the domain and there is a second network card for the broadband router. It's not Ring.
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jarrod_williamsCommented:
Is that Pc that is giving the problem a normal client PC or is it running special programs or services? It seems that it is holding onto something crucial. can you check the event logs on the server and that dodgy client PC? and post anything unusual?
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richard1966Author Commented:
The PC is not giving the client any issues. There is nothing unusual in the event log. I have turned off the Wake on Lan function on the network card.

Also I have changed the registry on the server to denoter that it is the Master Browser. The client was set to FALSE.

There are no network crucial services on the client machine either. It was setup as all the other client machines on the network.
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jarrod_williamsCommented:
Thats strange. Is your network set to DHCP? Maybe their is a conflict when that client is shutting down?
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richard1966Author Commented:
Yes it is set to DHCP.
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ChiefITCommented:
please go to the SBS command prompt and type:

Browstat /status
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
I've requested that this question be deleted for the following reason:

This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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richard1966Author Commented:
The possible solutions above did not resolve the issue but jarrod_williams did help with my train of thinking and I wish to note the solution and award him the points.
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richard1966Author Commented:
The actual issue was the network cards 'Wake Up on LAN' function.

Once turned off the issue never re-occured.

Once I tried your suggestions which were relevant it got me thinking of other possibities having discounted the others. Thank you.
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