Windows 2008 R2 WMI Service memory leak

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If you use any applications that constantly query the WMI Win32_Services class on a Windows 2008 R2 server then you may have noticed a memory leak where the memory usage of the Wmiprvse.exe service keeps increasing and system performance decreases until all resources are exhausted. This can then impact other critical applications and services.

This is a known issue and Microsoft has released a kb article (981314) and a hotfix for this issue.

If you think you might be affected find out more here.