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Trouble shoot network losing connections

Hi

We are experiencing random network errors, clients losing connection for a brief second and then all connections are restored.  Our CAD users are receiving a message from the application they are running saying a network error has occurred and a message appears from Outlook saying outlook is trying to connect

We are running 2 Win2003 servers, one is the main domain server and MS Exchange (server1) and the second is a file/print server (server2003).  We have approx 80 clients on the network.

We have 2 48 port switches and we are wired Cat5 and a hand full of Cat6 and 2 wireless access points.

I have checked all event logs on both servers and there is nothing there to indicate a problem.

To really confuse matters this only started happening about 4 days after we had a new MPLS system introduced for our internet, firewall and connecting to a new site, but I am assured by the provider there is nothing in the logs to indicate the problem is on the cloud.

I am at a lose how to trouble shoot this further; any help would be much appreciated.

TIA
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kev-griggs
Asked:
kev-griggs
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1 Solution
 
antontolentinoCommented:
I had the same problem and we found out that it is due to the wireless we have. There are some static signals in the air that interfere with the wireless.

You might want to look at that because that is a problem that will not be visible in any logs.
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engeltjeCommented:
Is the switch managable? It looks like there is something wrong with the duplex settings.

I assume the MPLS has trouble with the port parameters it is on. So, this can generate a lot of collisions on the network giving slow response.

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kev-griggsAuthor Commented:
antontolentino,
Thanks for reply, how did you find out, turn if off far a day, something like that if there are not logs available
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kev-griggsAuthor Commented:
engeltje
Thanks for reply, the switches are both managable, what do you mean by "I assume the MPLS has trouble with the port parameters it is on"
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antontolentinoCommented:
there are some equipments to scan wireless activity but I don't have the info right now.

turning it off for a day and observing your connection will also help. let all machine connect via wire for that day
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antontolentinoCommented:
by the way.. are there any shaking display of crt monitors within the wireless range. crt monitors are affected by some wireless interference and from there you will see presence of some.

that's what happen in our case.
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kev-griggsAuthor Commented:
antontolentino
i will arrange for the access points to be turned of for the day and see what the outcome is, many thanks.
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kev-griggsAuthor Commented:
antontolentino
That appears to have solved this problem, many thanks
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