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DEFAULT_PRIVNODE - This is unlikely to ever need changing. It is the ID of the toplevel node in the privilege tree.
MAXVMLIMIT - This is the max number that can be selected for VM Limit under Virtual Hosts->VM Hosts. VM Limit will likely be removed from releases after 2.4.1.
SCHEDULER_ALLOCATE_RANDOM_COMPUTER - Set this to 1 to have the scheduler assign a randomly allocated computer of those available; set it to 0 to assign the computer with the lowest combination of specs.
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