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csrss.exe using 80% cpu

Hi there,
We've just put our citrix farm running on windows server 2008 (32bit) SP1 into use (30 servers).
The problem weve been having is every 1-2 days we get the odd server where csrss.exe will just go nuts and use all the cpu it can get.
Since these are citrix servers it really slows the system down for the users, but were in a sticky situation since a reboot DC's them so we need to wait till the end of the day before restarting.
Has anyone come across this problem before?

ByteSleuth

hello,

could you check with process explorer which process and childs are involved? please post a screenshot.

regards
bytesleuth

Reubenwelsh

ASKER

Hi, is this what you mean? im afraid i havn't used that program before.
Untitled.png

johnb6767

Double click that top "vdtw30.dll", and paste the copy of the call stack here please....

Reubenwelsh

ASKER

I couldnt access the thread just got an error from process explorer saying "unable to access thread" im afraid :/

johnb6767

What app does that file belong to?

Reubenwelsh

ASKER

it is something to do with Citrix MetaFrame, not quite sure what though

ByteSleuth

Hello,

please take a look here:

http://www.neuber.com/taskmanager/process/csrss.exe.html

johnb6767

We know what the csrss.exe does, the question was for vdtw30.dll...

Might need to check for any avaialble updates for you citrix apps/patches etc.....

Sorry, not a Citrix guy....

Reubenwelsh

ASKER

there seems to be a hotfix for server 2003 but not 2008 by the looks of it :/

johnb6767

Contacted Citrix about it?

ASKER CERTIFIED SOLUTION

Reubenwelsh

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johnb6767

No objections, wish we could have helped more....

Reubenwelsh

ASKER

Thanks for the help anyway :)