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Microsoft System Center Virtual Machine Manager (SCVMM) with System Center Configuration Manager (SCCM) supports intelligent placement and automatic migration of virtual machines. VM migration triggers include the level of node utilization across the server nodes within a server cluster. Disable Performance and Resource Optimization (PRO) when there are latency and bandwidth limitations for nonoptimized data paths to a remote site. Use the Manual action for VM placement instead.
Situational awareness is important when you manage VMs or a workload on a stretch cluster over metro distance. Where you place a workload impacts performance. Place a VM or workload at the preferred site with the preferred Metro Volume to optimize performance. Tools or automation might load-balance (move) VMs solely based on node utilization without regard to the performance of the data paths. Avoid a configuration where a VM might inadvertently get moved to a less used server node at Site B that has higher latency or lower bandwidth data paths.