After the Virtual Machine is hot migrated lose the reference to the virtual computer object (VMware.Vim.VirtualMachine)

Hello

In my VB.Net application, I retrieve the virtual computer object (VMware.Vim.VirtualMachine) through scripting Powershell VI.

If the Virtual Machine is migrated to another host (hotmigrate) I receive an event (VMware.Vim.VmMigratedEvent), which also holds the moref of the Virtual Machine. I tried to use the updateview method to refresh the virtual computer object but failed with an error message stating that the object could not be found, or never existed.

I also tried to recover the virtual computer object again, throug the method Client.GetView and the moref returned by the event, but the same error message.

How can I get my hands on the virtual computer object or update after migration to another host takes place. I have to get it back again? It would be great if I could do it somhow with information from moref I hold the event!

Any help is appreciated!

Concerning

Manfred

Sorry, but I can only show you how to do this in PowerShell.

I use the purpose of the task to get to the prompt MoRef.

Here's how:

$vmName = 
$tgtHost = 
$tgtPool = 

$vm = Get-VM $vmName | Get-View
$poolMoRef = (Get-ResourcePool $tgtPool | Get-View).MoRef
$esxMoRef = (Get-VMHost $tgtHost | Get-View).MoRef

$task= Get-View ($vm.MigrateVM_Task($poolMoRef, $esxMoRef, "lowPriority", "poweredOn"))

while($task.Info.State -eq "running" -or $task.Info.State -eq "queuing"){
  $task.UpdateViewData()
}

$vmImpl = Get-VIObjectByVIView -MORef $task.Info.Entity

I don't know how you get at the VmMigratedEvent event, but the MoRef in there is pointing to the correct prompt.

In the following script, I extracted all the events related to the task of vMigrate immediately after the vMigrate task finished

function Print-VmName{
     param($event)

     $MoRef = New-Object VMware.Vim.ManagedObjectReference
     $MoRef.Type = $event.vm.vm.type
     $MoRef.Value = $event.vm.vm.Value
     $vm = Get-View $MoRef
     Write-Host $vm.Name
}

$events = Get-VIEvent -Start (Get-Date).addminutes(-15)
$events | % {
     $event = $_
     $eventType = $_.GetType().Name
     switch ($eventType){
          "VmMigratedEvent" {
               $eventType
               Print-VmName $event
          }
          "VmEmigratingEvent"{
               $eventType
               Print-VmName $event
          }
          "VmBeingHotMigratedEvent" {
               $eventType
               Print-VmName $event
          }
          "TaskEvent" {
               $eventType
               Print-VmName $event
          }
     }
}

Tags: VMware

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