$exportdomain = Get-StorageDomain | ? {$_.Name -eq "export"}
$datadomain = Get-StorageDomain | ? {$_.Name -eq "DataStore"}
$dc = Select-DataCenter Name=Default
$cluster = Select-Cluster Name=Default
$candidates = Get-VmImportCandidates -StorageDomainId $exportdomain.StorageDomainId -DataCenterId $dc.DataCenterId
foreach ($candidate in $candidates)
{
Import-Vm -DataCenterId $dc.DataCenterId -SourceDomainId $exportdomain.StorageDomainId -DestDomainId $datadomain.StorageDomainId -ClusterId $cluster.ClusterId -VmId $candidate.VmId
}