WmiPrvSE memory leak on Windows 2008 R2

Posted by MichaelGG on Server Fault See other posts from Server Fault or by MichaelGG
Published on 2009-10-31T20:16:51Z Indexed on 2010/03/31 12:03 UTC
Read the original article Hit count: 1289

Filed under:

windows-server-2008-r2

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wmi

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memory-leak

I've seen references on Windows 2008 to WmiPrvSE leaks, but nothing about Windows 2008 R2.

We're running R2 on top of Hyper-V (2008). We are also running NSClient++ for monitoring from opsview. Over time, WmiPrvSE.exe starts to use a lot of memory, causing memory alert issues (less than 10% free). VM has 2GB, WmiPrvSE consumes up to 500-600MB before I kill it.

Killing the process doesn't seem to have any negative effect; it starts up again and I haven't noticed any problems. But after a day or two, it's back in the same situation.

Any ideas on what to do? Resource Monitor doesn't show any Disk or Network IO by WmiPrvSE.exe. Just slowly climbing private memory...

Edited to add: We aren't running clustering, or Windows System Resource Manager. The only regular WMI user I can guess is NSClient++, but we don't seem to have this problem on other servers.

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