Difference between a stop and shutdown

[rifaterdemsahin]

Shutdown does not work but stop does why ?

 

[leesteken]

Stop is like unplugging the power cord (as if it were a physical machine). Shutdown uses QEMU Guest Agent (if installed and enabled) or does a ACPI event (like pressing the power button, if it were a physical machine) to initiate a graceful shutdown by the operating system inside the VM. If a Shutdown takes too long while Proxmox is shutting down, then it is followed by a Stop.

 

[Dunuin]

And if you use the QEMU guest agent you need to enable the "QEMU guest agent" Option for the guest. Only then it will use the guest agent to shutdown the guest. If you don't enable that option it will shutdown the guest using ACPI.
If you for example enable the "QEMU guest agent" option but your guest agent isn't running, the shutdown won't work.