Re: How to generate alarms or events using any scripts?

That is possible with the PostEvent method.

The difficulty is that you need to know how to compose the specific event you want to create.

The following script will generate a VmFailedToPowerOnEvent, where I only populated the required properties.

As you can see, not as simple as generating a user event, but possible

$vmName="MyVM"
$userName="testuser"

$evtMgr=Get-ViewEVentManager

$event=New-ObjectVMware.Vim.VmFailedToPowerOnEvent
$event.chainId=1
$event.CreatedTime=Get-Date
$event.Key=1
$event.Username=$userName
$event.Template=$false
$event.Reason=New-ObjectVMware.Vim.LocalizedMethodFault
$event.Reason.fault=New-ObjectVMware.Vim.InvalidPowerState
$event.Reason.fault.existingState="poweredOn"
$event.Reason.fault.requestedState="poweredOff"
$event.Reason.LocalizedMessage="Testing event"
$event.VM=New-ObjectVMware.Vim.VmEventArgument
$event.Vm.Name=$vmName
$event.VM.vm= (Get-VM-Name$vmName).ExtensionData.MoRef

$evtMgr.PostEvent($event,$null)