Hi,
Are you using a Web interface in your app.?

>Neil:
>
>Thanks for not giving up.
>
>No, no COM or KeepAlive.
>
>I did check the server event log and found the following:
>
>o WinHTTP Web Proxy Auto-Discovery Service has been idle for 15 minutes, it will shut down.
>o WinHTTP Web Proxy Auto-Discovery Service suspended operation.
>o WinHTTP Web Proxy Auto-Discovery Service enter the stop state.
>
>These entries are about the time the workstations went down.
>
>Not sure what WinHTTP Web Proxy Auto-Discovery Service is but will look it up.
>In the mean time, do you have any ideas on this?
>
>TIA
>
>
>
>>Hi,
>>Are you using COM ? KeepAlive ?
>>
>>Are there any entries in the Event logs of the Server or Workstations.
>>
>>>Hi Neil:
>>>
>>>Thanks for you reply.
>>>I tried diabling autodisconnect (ran the command and it said "done").
>>>
>>>It still happened all the workstations, except 5, got disconnected from the network at once.
>>>5 stayed connected. Strange ...?
>>>
>>>Thanks for your time though :o)
>>>
>>>Mal
>>>
>>>>Hi,
>>>>Disable autodisconnect http://support.microsoft.com/default.aspx?scid=kb;en-us;297684&Product=win2000
>>>>
>>>>>HI:
>>>>>
>>>>>I have 20 workstations connected to my Windows Server 2003 server.
>>>>>
>>>>>If I leave a workstation connected buy idle for ... 1 hour, the workstation geta disconnected from the network. I would have to reboot the workstation in order to use the workstation on the LAN.
>>>>>
>>>>>The other problem I'm having is: At about 11:00 PM every night, all of the workstations gets cut off from the network. Again, I'd have to reboot all of the workstations to connect into the LAN.
>>>>>
>>>>>I do not have any restrcitions as "hours of use" on any of the workstations.
>>>>>
>>>>>I there some where in Server 2003 that I can check to see if the server is logging any of the workstations off?
>>>>>
>>>>>TIA
>>>>>
>>>>>Mal