Home > Virtualization > Number of Hosts and Virtual Machines Supported by SCVMM 2008 R2

Number of Hosts and Virtual Machines Supported by SCVMM 2008 R2

The maximum number of hosts and virtual machines tested with and supported by VMM on the highest recommended hardware configuration is 400 hosts and 8,000 virtual machines.

If your VMM implementation has over 150 hosts, we strongly recommended that you enable server-optimized garbage collector (GC) on the VMM server instead of the default workstation garbage collector. This can significantly reduce the CPU utilization on the VMM server and improve your performance for parallel VMM operations.

To enable server-optimized garbage collector (GC) on the VMM server, create a file that is named vmmservice.exe.config by using the following code, and then for VMM 2008, place it into the %SYSTEMDRIVE%\Program Files\Microsoft System Center Virtual Machine Manager 2008\Bin directory on the VMM server, or for VMM 2008 R2, place it into the %SYSTEMDRIVE%\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Bin directory on the VMM server..


<configuration>
   <runtime>
      <gcServer enabled="true"/>
   </runtime>
</configuration>

The number of virtual machines that can be run on a host is primarily limited by the configuration of the host and of the virtual machines on the host.

Categories: Virtualization
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