Re: Winlogon.exe uses 100% CPU

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Anything errors or warnings in the EventLog on the server?
Is your spooler service running, or is it crashing and restarting
continously?
Since this problem started suddenly today, what was changed on the
server yesterday? Windows Update? Application upgrade? New printer
driver? Or maybe just a reboot, which enabled changes made earlier?

_________________________________________________________
Vera Noest
MCSE, CCEA, Microsoft MVP - Terminal Server
TS troubleshooting: http://ts.veranoest.net
___ please respond in newsgroup, NOT by private email ___

=?Utf-8?B?TGFzc2U=?= <Lasse@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote on 01
nov 2007 in microsoft.public.windows.terminal_services:

Hi

We have a Server 2003 R2 SP2 with Terminal Services that's
causing some problems. We have around 80 users using the server
and each have a RDP connection that automatically starts a
program on the server.

Suddenly today the server more or less stopped responding and
the only thing I
could find was Winlogon.exe using 100% CPU time but I can't
figure out WHY? I logged off all the users and then the problem
disappeared.

I suspect it might be our GPO logon script, but the only thing
it does is check if you logon to the Terminal Server and then it
runs the following line: rundll32 printui.dll,PrintUIEntry /Xs
/y /n"Printername"
.



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