Neil:

Yes, I had already tried hibernating and the power settings. I turned everything off.
Now, WOL, that's something I didn't know about and sounds very much like what's happening.
I'll look into it and let you know what of the result.

Mal

>Hi,
>Some things to check on the workstations and server.
>1. Check the power settings in screen properties, may be hibernating.
>2. Some NIC's have power saving functions, check the properties in Control panel/Networking and check the adaptor settings.
>3. Also check WOL settings (Wake on LAN), may be going to sleep.
>
>>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