Process Spike

I have a Windows 2008 Server that the CPU randomly spikes throughout the day.  The process id is 4 which is the system process.  This really gives me no idea as to what this process is doing to cause the spike.  I checked the event logs and they were of no use, any ideas?
bsjj2727Asked:
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Seth SimmonsSr. Systems AdministratorCommented:
PID 4 is the operating system itself
usually spikes occur during I/O activity
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bsjj2727Author Commented:
I know its the OS but I have plenty of servers and want to know why its only this one
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Seth SimmonsSr. Systems AdministratorCommented:
what is the role of the server?
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bsjj2727Author Commented:
file server
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Seth SimmonsSr. Systems AdministratorCommented:
not surprised
users accessing files generating I/O...i would expect the system process to consume some CPU
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bsjj2727Author Commented:
I have servers that are more heavily hit that I don't experience this problem, that's why I believe it would be something else
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Michael MachieIT SupervisorCommented:
Is this Server a VM? If so, I am aware of issues with Server 2008 VMs consuming 100% CPU intermittently after a dirty shutdown, such as from a power outage on the Host without shutting down the VMs first. If this is the case, you will need to perform a graceful shutdown of the VM and then start it gracefully. This resolves the CPU spikes with my 2008 file server VMs.
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Windows Server 2008

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