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2008 R2 Domain controllers svchost has between 60 - 80'000 handles, memory leak??
Posted on 2014-02-05
Hi All
We have been having intermittent issues with authentication for the last few days and I have been digging deeper into the domain controllers.
I have noticed on two of the DC's the handle count for svchost -k DcomLaunch are between 60 - 80'000 on each DC, this seems overly high.
Looking at the services on Sysinternals process Explorer tab I see this is responsible for DcomLaunch, PlugPlay and Power.
Where do I go from here to determine actually what is causing this high number.
Thanks
We have been having intermittent issues with authentication for the last few days and I have been digging deeper into the domain controllers.
I have noticed on two of the DC's the handle count for svchost -k DcomLaunch are between 60 - 80'000 on each DC, this seems overly high.
Looking at the services on Sysinternals process Explorer tab I see this is responsible for DcomLaunch, PlugPlay and Power.
Where do I go from here to determine actually what is causing this high number.
Thanks
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4 Comments
Have you referred Sysinternals toubleshooting steps to identify and fix the handle issue ?
Refer : http://blogs.technet.com/b/markrussinovich/archive/2009/09/29/3283844.aspx
You an go through below link to identify which why svchost is using more handle count.
http://blogs.technet.com/b/yongrhee/archive/2011/12/19/how-to-troubleshoot-a-handle-leak.aspx
You can refer below EE artile also to identify if svchost is using more CPU /Memory
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/A_12862-SVCHOST-EXE-CONSUMING-HIGH-CPU-MEMORY.html
Refer : http://blogs.technet.com/b/markrussinovich/archive/2009/09/29/3283844.aspx
You an go through below link to identify which why svchost is using more handle count.
http://blogs.technet.com/b/yongrhee/archive/2011/12/19/how-to-troubleshoot-a-handle-leak.aspx
You can refer below EE artile also to identify if svchost is using more CPU /Memory
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/A_12862-SVCHOST-EXE-CONSUMING-HIGH-CPU-MEMORY.html
If it is the memory leak issue , I recommand you to use RAMMAP sysinternal tool.
It exactly shows what is consuming more memory. It might so happen that , some processes don't release the memory . You need to identify those and see the web to get the resoultion or apply hot fixes for those.
See if below link help you
http://betanews.com/2013/06/07/troubleshoot-your-pcs-memory-problems-with-sysinternals-rammap/
http://blogs.technet.com/b/askperf/archive/2010/08/13/introduction-to-the-new-sysinternals-tool-rammap.aspx
Let us know if you need more information.
-Prashant Girennavar.
It exactly shows what is consuming more memory. It might so happen that , some processes don't release the memory . You need to identify those and see the web to get the resoultion or apply hot fixes for those.
See if below link help you
http://betanews.com/2013/06/07/troubleshoot-your-pcs-memory-problems-with-sysinternals-rammap/
http://blogs.technet.com/b/askperf/archive/2010/08/13/introduction-to-the-new-sysinternals-tool-rammap.aspx
Let us know if you need more information.
-Prashant Girennavar.
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