Monitoring a Windows 7 and Vista machine

I have two workstations that are losing connectivity to the network. They seem to be losing the connection for a very small period of time; just long enough to lose mapped network drive and printer connections. I am looking for a way to monitor the two of them.
To see when this is occuring and for how long.

Any suggestions?
splitrockitAsked:
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Rich RumbleSecurity SamuraiCommented:
You can have a script that logs the issue, but you'll have to start it manually, or copy it to the startup folder as well.
Set objWMIServices= _
GetObject("winmgmts:{impersonationLevel=impersonate}!root/wmi") 
set objSink = WScript.CreateObject("WbemScripting.SWbemSink","SINK_")
set objSink2 = WScript.CreateObject("WbemScripting.SWbemSink","SINK2_")

objWMIServices.ExecNotificationQueryAsync objSink, _
  "Select * from MSNdis_StatusMediaConnect"
objWMIServices.ExecNotificationQueryAsync objSink2, _
 "Select * from MSNdis_StatusMediaDisconnect"

WScript.Echo "Listening to Media_connect Events..." & vbCrLf

While(1)
    WScript.Sleep 1000
Wend

Sub SINK_OnObjectReady(wmiObject, wmiAsyncContext)
    WScript.Echo "Received media connect Event" & _
    vbCrLf & wmiObject.InstanceName, Now

End Sub

Sub SINK2_OnObjectReady(wmiObject, wmiAsyncContext)
    WScript.Echo "Received media disconnect Event" & _
    vbCrLf & wmiObject.InstanceName, Now
End Sub

Open in new window

http://blogs.technet.com/b/heyscriptingguy/archive/2005/03/21/how-can-i-be-notified-any-time-a-network-cable-gets-unplugged.aspx
The script I created will let you know about each event, a disconnect and a connect. It won't tell you the cause but will log the time(s). Again it output's to the screen, if you want to have it store a log and you place it in the startup folder, make a batch file that calls the script like this:

@echo off
cscript /nologo disconnect.vbs >c:\temp\connection-log.txt

You will have to give the path to the disconnect.vbs script (above) as well.
-rich
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Davis McCarnOwnerCommented:
There ought to be events in the system log on the systems; but, I would think that any utility which pinged those systems would prevent the problem.
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splitrockitAuthor Commented:
Thanks. Great script.
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