i keep losing network connection

[Guest]

i have three xp pro systems , logging into an office network running Windows
2000 server and i seem to have the same issue on all of them. what happens
is this, first it seems to take for ever for the system to start up, when
they do they establish connections and map to the proper network drives, but
then if left unattended for 30 minutes or so, they will not run any
application that runs from the server. Internet access and email seem
uneffected. but active directory does not work either during this time.
if i log off and then logon again everything works, but the long process
sometime takes 5 to 10 minutes. the event log shows the following error
and well and a few other. any ideas?

Bob






Event Type: Error
Event Source: Userenv
Event Category: None
Event ID: 1054
Date: 10/20/2004
Time: 9:33:10 AM
User: NT AUTHORITY\SYSTEM
Computer: mine
Description:
Windows cannot obtain the domain controller name for your computer network.
(The specified domain either does not exist or could not be contacted. ).
Group Policy processing aborted.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

 

[Guest]

I'm having the same problem and it's drive me and some of the end users
CRAZY! I've been researching this for weeks. also have a question posted on
the Win 2000 server discussion group on this very situation. there has GOT
to be an answer out there. I've been told it has something to do with active
directory but haven't found anything on it.
D