---
title: start()
framework: virtualization
role: symbol
role_heading: Instance Method
path: virtualization/vzvirtualmachine/start()
---

# start()

Starts the VM and notifies the specified completion handler if startup was successful.

## Declaration

```swift
func start() async throws
```

## Discussion

Discussion Call this method to start a VM that’s in the VZVirtualMachine.State.stopped or VZVirtualMachine.State.error state.

## See Also

### Starting and stopping the VM

- [start(completionHandler:)](virtualization/vzvirtualmachine/start(completionhandler:).md)
- [start(options:completionHandler:)](virtualization/vzvirtualmachine/start(options:completionhandler:).md)
- [stop(completionHandler:)](virtualization/vzvirtualmachine/stop(completionhandler:).md)
- [pause(completionHandler:)](virtualization/vzvirtualmachine/pause(completionhandler:).md)
- [requestStop()](virtualization/vzvirtualmachine/requeststop().md)
- [resume(completionHandler:)](virtualization/vzvirtualmachine/resume(completionhandler:).md)
- [pause()](virtualization/vzvirtualmachine/pause().md)
- [resume()](virtualization/vzvirtualmachine/resume().md)
- [VZVirtualMachineStartOptions](virtualization/vzvirtualmachinestartoptions.md)