Firefox browser high CPU utilization remote desktop services windows 2008 R2

Posted on 2014-03-17
Medium Priority
Last Modified: 2016-11-18
I have approx. 12 concurrent users on a remote desktop services server..  The CPU is constantly getting hammered by Firefox and sometimes IE.  What can I do to help this?  I've already allocate 4 x cores to the VM but it's still slow and killing the CPU.
Question by:gopher_49
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LVL 35

Expert Comment

by:Seth Simmons
ID: 39936893
have you tried disabling any add-ons?

Author Comment

ID: 39937469
Not yet..  I've gone in and set a lower priority on the users that have a  lot of CPU utilization on their IE and Firefox processes.  Would I have to disable for each user or just once?
LVL 35

Expert Comment

by:Seth Simmons
ID: 39937830
it's a per-profile basis so yes, per user
you could try just one as a test and see if that makes a difference
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Accepted Solution

gopher_49 earned 0 total points
ID: 39942521
I found a solution...  Both of the below applications will allow me to permanently set a low priority or even dynamic settings if needed on any specified process.  My server responds so much better now with Process Tamer..  That being the product via the second link.  My remote desktop services server is a VM on a HyperV hypervisor.  In addition I have another VM used for a team collaboration web app.. It's was running so slow..  And so was the various app server users..  Now with firefox and IE having a low priority other CPU requests are being full filled quicker.


LVL 35

Expert Comment

by:Seth Simmons
ID: 39942555
those utilities are a workaround
haven't determined root cause since that's not normal behavior for a browser

Author Comment

ID: 39942855
It's not that any particular browser is using up 100%.  It's just that I have 5-8 at the same time using a browser and it ends up using too much of the processors.  I need the ability to tame the process and keep it lower priority so other requests can be answered quickly...  At the end of the day I need another server and need to load balance the connections.

Author Closing Comment

ID: 39952710
I found a solution to my problem and it's a long term/permanent solution.

Expert Comment

ID: 40420372
What was the long term solution? Also having same issue with firefox on a Win2K12 RDP server.

Has loads of CPU cores (16) and RAM at 60GB with maybe 20 users on average. Is normal CPU usage at most times and then there will be a spike to 98% CPU for 5 seconds about 5 times a day. Then it will go back to normal.

Expert Comment

ID: 40766137
I'd like to know as well what the final solution was.   Thanks!

Expert Comment

ID: 41893696
We were noticing the same issue. Did some digging and found that in a TS environment you can throttle CPU and memory usage on a per suer or application level using Windows System Resource Manager.
Microsoft Technet Article

Hope this helps.

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