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network disconnect on regular intervals

Hello Experts,
we have noticed that our network disconnects on regular intervals.
Our software apps are working normally and then all of a sudden "error Reading" or "file corrupted" messages.

most of our apps work from the server and a few work between stations using shared folders.

So how can we test if these are the network cards or the network hub ?
Please your advise.
best regards!
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RGuillermo
Asked:
RGuillermo
4 Solutions
 
ktaczalaCommented:
Do you loose connection to the internet on all devices, can you ping from one workstation to another when you are experiencing this problem?
I all network access is down I would think switch, If only access to server down, does server still have access to internet?
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nobusCommented:
check also if the power settings are not set to close down after x minutes of inactivity
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InfamusCommented:
If you have several servers, I would try to ping those servers when this outage occurs.

Also try to ping other workstations as well so you can eliminate the switch/hub issue.
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D_VanteCommented:
Is it everyone in the office and are they all connected to the same switch?

It could be HD issues if so.

I would move a single user over to another switch to see if the problem quits/persists.
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RGuillermoProject ManagerAuthor Commented:
Hi experts,
1) I have been following all your indications, first I was pinging all stations when the problema appears... I found out the disconection lasts only a few seconds and then comes back again.

so basically pinging a few seconds after the error message always is ok

2) Not all stations disconnect at the same time. many times its only one station disconected from the server.(only for few seconds enought to disrrupt process)

3) I decided to move all of out apps to stations risking many things and now we do not have problems !!! not even speed !! everything is ok although working in stations and not having many of the server resources.... backups for example.

so unless I am mistaken the problem is the network card of the server.
Is there anysoftware to test it ?
could it be configuration or drivers??

What would be your final advice ?
Best regards!
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nobusCommented:
look first if the lan software does not have a diagnostic tool
or install another lan card to test with
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RGuillermoProject ManagerAuthor Commented:
no diagnostic tool trying with a different LAN .
Is there any software to test a card that I can download ? please
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RGuillermoProject ManagerAuthor Commented:
thahks to all experts!!
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nobusCommented:
try Burnintest (trial) :  http://www.passmark.com/download/index.htm
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