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Win 7 64-bit host and Server 2008 SP2 64-bit guest. System periodically slows / stalls

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The hardware is

i7-2655LE with a QM67 chipset, 8GB memory and 500GB hard drive.

The host system is just there to launch the image and I do not want the user to be able to access the host system.

Image settings = 2 cores, 4096 MB memory.

 

I have installed a licensed version of Workstation on the host and only use player. The only modifications to the preferences.ini file are below which are used to disable the user from accessing the host system from the guest image.

pref.vmplayer.fullscreen.autohide = "true"

pref.vmplayer.deviceBarToplevel = "true"

pref.vmplayer.fullscreen.nobar = "true"

pref.fullscreen.toolbarpixels = "0"

pref.hotkey.gui = "true"

pref.hotkey.shift = "true"

pref.hotkey.control = "true"

pref.hotkey.alt = "true"

hints.hideall = "true"

 

I expanded the image to use 400GB of the 500GB hard drive.

The ethernet connection is set to NAT.

 

The image is running Rockwell software (industrial automation) that accesses SQL server 2008 R2 64-bit for data.

After 30 mins of so, the system 'stalls' for about 2 minutes, then works normally. This keeps happening with differing periodic intervals, but it usually stalls for about 2 mins.

 

I can run this image on my developer machine and I do not see these slowdowns. My system is an i5 with 6GB memory but running Windows server 2008 as the host OS.

 

I have a list of memory optimisations from Continums website that I will try, but are there any Win 7 64-bit optimisations that I can do?

 

I also read that its sometimes better to have less memory assigned to the image? Is there any simple guidelines to this?

 

Thanks for all the help in advance.


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