OPManager - Build 10100

OPManager - Build 10100

Hi
 
A little background on my environment.
 
Running a Windows based network, 2 Win2k3 DCs, Exchange 2010, 3 Win2k8 Member Servers, 3 Win2k3 Servers.  All servers are running within a virtual environment on VMWare platform.
 
Questions
  1. DCs are not registering any information for Disk I/O Usage, CPU Utilization, Memory Utilization and Network Usage.  What are the default or suggested values for these monitors.

Please advise

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