XenServer: Autostart VM

Pool Auto Power On

1. Get the UUIDs of the pool:
   xe pool-list
2. Run the auto power on, replacing [UUID] with the UUID:
   xe pool-param-set uuid=[UUID] other-config:auto_poweron=true

Virtual Machine Power On

1. Get the UUIDs of the VM:
   xe vm-list
2. Run the auto power on, replacing [UUID] with the UUID:
   xe vm-param-set uuid=<UUID> other-config:auto_poweron=true

You can check the value with:
xe vm-param-get uuid=<UUID>param-name=other-config