After 30 mins, why cant my Laptop connect to my PC ? (unless I logoff/on again)

[ship]

Softare: WindowsXP Pro PCs (latest patches) / Windows2003 Server
network


Hi

Any idea why my PCs stop talking to each other correctly after about
30 minutes?

There is something weird going on. I have two PS - a desktop and a
laptop.
They are both on the same Domain. But why is it that after a while
(say 30 minutes
sometimes longer) my desktop suddenly stops being able to "see" my
Laptop?
When I try to navigate to the laptop from the desktop through Windows
Explorer using:
=> My Network Places > Entire Network > OurDomainName > LaptopName
there is a very long pause and finally it comes back with a dialog-box
saying
"Connecting to LaptopName" and asks for my UserName and PW.
But when I enter it, it moans at me saying "The user name you typed is
the same
as you logged in with. That user name has already been tried. A domain
controller
can not be found to verify that user name".

But when I log off and log on again - it works first time. But that is
a pain to have to keep logging off !

Strangely my Laptop can usually still see my desktop PC without a re-
boot.

What's going on - any thoughts?


Ship
Shiperton Henethe

 

[HeyBub]

Btw, I am getting the following error messages in my application log:

[Note for security reasons I have changed the domain and user name in
these messages]

Windows cannot determine the user or computer name. (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.

Automatic certificate enrollment for local system failed to contact
the active directory (0x8007054b). The specified domain either does
not exist or could not be contacted.
Enrollment will not be performed.

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


Automatic certificate enrollment for OURDOMAIN\myusername failed to
contact the active directory (0x8007054b). The specified domain
either does not exist or could not be contacted.
Enrollment will not be performed.

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

Windows saved user OURDOMAIN\myusername registry while an application
or service was still using the registry during log off. The memory
used by the user's registry has not been freed. The registry will be
unloaded when it is no longer in use.

This is often caused by services running as a user account, try
configuring the services to run in either the LocalService or
NetworkService account.

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

See:
http://support.microsoft.com/kb/310461

 

[Elmo]

Btw, I am getting the following error messages in my application log:

[Note for security reasons I have changed the domain and user name in
these messages]


Windows cannot determine the user or computer name. (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.


Automatic certificate enrollment for local system failed to contact
the active directory (0x8007054b). The specified domain either does
not exist or could not be contacted.
Enrollment will not be performed.

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



Automatic certificate enrollment for OURDOMAIN\myusername failed to
contact the active directory (0x8007054b). The specified domain
either does not exist or could not be contacted.
Enrollment will not be performed.

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


Windows saved user OURDOMAIN\myusername registry while an application
or service was still using the registry during log off. The memory
used by the user's registry has not been freed. The registry will be
unloaded when it is no longer in use.

This is often caused by services running as a user account, try
configuring the services to run in either the LocalService or
NetworkService account.

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


With thanks


Ship

Open Device Manager, open the properties on your ethernet card, click
the Power tab, and deselect "Allow the computer to turn off this device
to save power".

 

[ship]

Btw, I am getting the following error messages in my application log:

[Note for security reasons I have changed the domain and user name in
these messages]

Windows cannot determine the user or computer name. (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.

Automatic certificate enrollment for local system failed to contact
the active directory (0x8007054b).  The specified domain either does
not exist or could not be contacted.
  Enrollment will not be performed.

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

Automatic certificate enrollment for OURDOMAIN\myusername failed to
contact the active directory (0x8007054b).  The specified domain
either does not exist or could not be contacted.
  Enrollment will not be performed.

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

Windows saved user OURDOMAIN\myusername registry while an application
or service was still using the registry during log off. The memory
used by the user's registry has not been freed. The registry will be
unloaded when it is no longer in use.

 This is often caused by services running as a user account, try
configuring the services to run in either the LocalService or
NetworkService account.

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

With thanks

Ship

Open Device Manager, open the properties on your ethernet card, click
the Power tab, and deselect "Allow the computer to turn off this device
to save power".

Okay I'll try that. The PC didnt have a power tab on either of the
Network Adapters
("1394 Net Adapter" and "NETGEAR FA311 Fast Ethernet Adapter") -
however
the laptop did and I have changed its setting. Great - let's see what
happens then!

With thanks

Ship