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VMware esxi Windows 2008 R2 Virtual Machine resource usage warnings

Posted on 2011-09-06
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Last Modified: 2012-05-12
I have a new esxi 4.1 server that I just recently setup. I started receiving two different alarms:

First one:

Alarm 'Virtual machine cpu usage' changed from
Green to Red

Second one:

"Warning message from dst-esxi-01.cri.local:
Insufficient video RAM. The maximum resolution
of the virtual machine will be limited to
1672x1254. To use the configured maximum
resolution of 2560x1600, increase the amount of
video RAM allocated to this virtual machine by
setting svga.vramSize="16384000" in the virtual
machine's configuration file.  
warning"

Currently there is nothing running on the servers except Windows 2008 R2 with all available updates.

I have verified the VMware tools is installed on both machines.

I am fairly new to supporting VMWare so any advice anyone could give me would be greatly appreciated. Please let me know if you need any more information from me in order to help me.
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Question by:Rob Sanders
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6 Comments
 
LVL 120
ID: 36491933
The first message CPU usage, does it stay high all the time, or just peaking?

What process is running inside the VM causing the high CPU, you can use Task Manager or Resource Monitor.

Check and correct CPU utilization: CPU Performance Analysis and Monitoring

The second warning message is normal, if you want to use the high resolution, you need to increase the video ram allocated to the VM.

To increase the svga.vramSize setting:

    Power off the virtual machine.
    Right-click on the virtual machine and choose Edit Settings.
    Click the Hardware tab.
    Click Video Card.
    Select Enter total video RAM and enter a higher value.
    Click OK.

See these articles in the VMware KB.

http://kb.vmware.com/kb/1003 
http://kb.vmware.com/kb/1024990 
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LVL 1

Author Comment

by:Rob Sanders
ID: 36491947
ok, I guess I will have to try to figure out what process could be making the CPU spike, but there really isn't anything running on the server yet. I will look into these other articles you posted.

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LVL 120

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 36491983
I find, when setting up Windows 2008 R2, the Windows Update processing downloading and installing all the updates, causes the CPU to stay high, until all the updates have been installed. Once they've been installed and downloaded, CPU returns to normal idle, after many reboots later required by the updates.
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LVL 1

Author Comment

by:Rob Sanders
ID: 36491988
Thanks for the info. I will keep an eye on that and see if it seems to be related.

0
 
LVL 1

Author Comment

by:Rob Sanders
ID: 36525029
I think hanccocka may have called it in regards to the high cpu utilization. It does seem that now that no Windows updates are being performed that the messages relating to cpu usage are no longer occuring. I will monitor this a little bit longer.
0
 
LVL 120
ID: 36525065
Yes, it happens, when Windows updates are being performed, this is what we have observed.
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