Reconciling vmware memory vs windows memory usage

Posted by RyanW on Server Fault See other posts from Server Fault or by RyanW
Published on 2012-08-16T21:15:03Z Indexed on 2012/09/01 21:40 UTC
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I have a Windows 2008 R2 64 bit virtual machine on ESXi 4.1 host. The host reports that the virtual machine is actively using less than 1 GB of memory. But, in Windows it's reporting the machine is using 7 GB of memory, even though the total of the processes listed in task manager is less than 1 GB. The machine is rather unresponsive and I'm concerned this is impacting other applications (server's purpose is to run ASP.NET state server process, which has been having trouble and led me to spot the memory question).

I just noticed High memory usage Windows Server 2008r2 on VMware and will be looking through those documents more, but what is causing this?

vSphere report

windows report

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