Network disconnected.

Hello,

The quesiton I have been asked is that there is a network with one server (windows) with 7 work-stations. The server can see the internet but it cannot talk to the workstations.
What will be the most possible causes?

I know this is  hard to discuss but I only want to know what could cause this issue?
One of th clients has been infected by virus for 7 days.

This is all I have and I myself don't have access to it. What I need just some advice.

Thanks.
akohanAsked:
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muneer_bom3Connect With a Mentor Commented:
server was very tierd with serving other machine so he need the some rest which acomplish by restart...


to avoid this kind of issue better put/update antivirus on all the machines I would recommend to remove internet from server and configur the on one common machine with some & keep it away from network..

if in future you want to share the internet buy internet gateway/router which will distribute the internet in the network for all machines.

Rgds
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pbeirneCommented:
Well, it could be any number of things.  Improper VLANing may be the culprit, incorrect routing tables, network interface misconfiguration.

Are all the machines connected to the same switch?  
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dekkarCommented:
Does your server have 2 network cards? 1 for the internet 1 for the LAN? as stated it could be a stack of different things causing it.,...

Is the setup new? or has it been working and then all of a sudden stopped?
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akohanAuthor Commented:

Hello guys,

Thanks indeed for your help and response. Ok, since I do not have access to the network so I thought it would be better to get several opinions and work on them one by one by sharing them with my friend but meantime I asked the person (who had called me) to restart the server. It turned out that it worked and now the server is up and running. But usually what causes this issue and what do yo suggest?

Regards.

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kanlueConnect With a Mentor Commented:
something related to the workstation that was infected by virus. please isolate it and clean it asap;
otherwise the problem will be back again probably.
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ManicDCommented:
is the sever on the same 'network' as the clients (i'm talking about logical network, involving subnetting etc)

can the clients see the server?
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pbeirneConnect With a Mentor Commented:
Check the properties of the network card(s) if there is a power management feature, disable it.
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