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windows server 2012 keeps running cpu at high percent

post #1 of 6
Thread Starter 
Hi after I do a fresh installation of windows server 2012 these 3 tasks keep running the cpu at its max I will have to restart so the CPU will go back to 0 percent,
1.net runtime optimization
2 Microsoft assistive technology
3 Microsoft common language

and after I do updates and the system restarts .net runtime optimization keeps running at 35 percent
till I restart again

I am running
CPU Intel G2030 Dual core 3.0ghz
8Gb ddr3 ram
post #2 of 6
Quote:
Originally Posted by chrismallia View Post

Hi after I do a fresh installation of windows server 2012 these 3 tasks keep running the cpu at its max I will have to restart so the CPU will go back to 0 percent,
1.net runtime optimization
2 Microsoft assistive technology
3 Microsoft common language

and after I do updates and the system restarts .net runtime optimization keeps running at 35 percent
till I restart again

I am running
CPU Intel G2030 Dual core 3.0ghz
8Gb ddr3 ram

I've seen that with 2008 R2 right after an update. I'll assume it is a full install not just a core install. Make sure you get through all the .net updates before starting any services or adding roles. If Windows update is not pulling down .Net 4.5 then grab the web platform installer and install it from there (I'd grab the platform installer anyways). If it continues after that then let it run for 12 hours and check it again.

The assistive technology and common language tasks can be left alone for the time being. Once the .Net updates are finished they will likely drop off.
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by Kylepdalton View Post

I've seen that with 2008 R2 right after an update. I'll assume it is a full install not just a core install. Make sure you get through all the .net updates before starting any services or adding roles. If Windows update is not pulling down .Net 4.5 then grab the web platform installer and install it from there (I'd grab the platform installer anyways). If it continues after that then let it run for 12 hours and check it again.

The assistive technology and common language tasks can be left alone for the time being. Once the .Net updates are finished they will likely drop off.

Yes sorry it is a full install this problem happen after fresh full install I have to restart and also after I install web iis it started doing the same had to restar again
post #4 of 6
Quote:
Originally Posted by chrismallia View Post

Yes sorry it is a full install this problem happen after fresh full install I have to restart and also after I install web iis it started doing the same had to restar again

Yep. Sounds like an update that isn't being applied correctly. Try installing .Net 3.5 and then 4.5 from the web platform installer and then let it run. Are you running the R2 edition or the first? There shouldn't be any difference but R2 is still new so it might have something to do with it. The only other thing I can think of would be too uninstall the .nets and then reinstall manually without going through windows updates.

If none of that fixes it then you have to use the sysinternals tools and the process explorer to drill down to exactly what it is. There is a decent blog post I found several years ago that gives the general instructions on what to do with some of the sysinternals tools. The blog is for older editions but it should still work for 2012.

http://blogs.technet.com/b/yongrhee/archive/2009/08/07/how-to-troubleshoot-high-cpu-in-the-system-process.aspx
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Kylepdalton View Post

Yep. Sounds like an update that isn't being applied correctly. Try installing .Net 3.5 and then 4.5 from the web platform installer and then let it run. Are you running the R2 edition or the first? There shouldn't be any difference but R2 is still new so it might have something to do with it. The only other thing I can think of would be too uninstall the .nets and then reinstall manually without going through windows updates.

If none of that fixes it then you have to use the sysinternals tools and the process explorer to drill down to exactly what it is. There is a decent blog post I found several years ago that gives the general instructions on what to do with some of the sysinternals tools. The blog is for older editions but it should still work for 2012.

http://blogs.technet.com/b/yongrhee/archive/2009/08/07/how-to-troubleshoot-high-cpu-in-the-system-process.aspx
I did this and it worked fine now. I re installed fresh copy without the internet connection so it will not update anything automatically, so after installation the taskes I mentioned did not use the CPU usage as b4. did went to do the updated and also downloaded the pack you told me and it is working like a dream now thanks for your help
post #6 of 6
No problem glad it worked for you. I'd keep an eye on it for the next few days, it may hang with another update.
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