Traffic Monitor

We are a pharmacy that runs a pervasive database in order to track and store prescriptions.  Once or twice per day about 60-75% of our computers lose connection with the pervasive database and we receive strange errors.  It is all happening at the same time.  The company that supports the front end program believes there is some kind of excessive network traffice situation that causes database issues.  Is there a program that would allow me to track something like this?  The pervasive database is on a windows 2003 server and I don't see anything strange in the event logs.  I would be open to turning more logging on if I knew what to turn on.  Any ideas on how to monitor what might be causing what seems to be network latency?

Thanks.
Joe
joemckameyGeneral ManagerAsked:
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Field Marshall BobConnect With a Mentor Commented:
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Ernie BeekExpertCommented:
There are lots of tools out there. A good overview is found at: http://www.experts-exchange.com/Software/System_Utilities/Q_26748566.html?cid=748#a34841205 I'm sure there is something you can use over there.
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mirtheilCommented:
You said you didn't see anything in the event logs.  How about the PVSW.LOG files on both the server and one of the clients getting the errors?  What are the Pervasive errors being seen?

You said that it's happening at the same time, do you mean it happens at the same time of the day?  If so, is there some process or event that's happening at that time?  

What version of PSQL are you using?  Is Pervasive Auto Reconnect enabled on both the clients and server?  

Wireshark is a good idea for tracking what's happening on the network.  
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Red-KingIT ManagerCommented:
If you can set up a unix server then you could also consider using cacti to graph traffic.
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Red-KingIT ManagerCommented:
You might want to also look at using Performance Monitor on the 2003 server. There's a load of differrent counters you can use for monitoring different aspects of the server.
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