Some handy Hyper-V commands for PowerShell

hyper-v.ps1

# Get info
Get-VM -VMname * | Select-Object VMname,State,AutomaticStartAction #,AutomaticStartDelay,AutomaticStopAction

# Start all VMs that must be running
Get-VM -VMname * | Select-Object VMname,State,AutomaticStartAction | `
  Where-Object {($_.State -eq 'Off') -and ($_.AutomaticStartAction -eq 'Start')} | `
  select -ExpandProperty VMname | Start-VM

# Turn off critical VMs
Get-VM -VMname * | Select-Object VMname,State,AutomaticStartAction | `
  Where-Object {($_.State -eq 'RunningCritical') -and ($_.AutomaticStartAction -eq 'Start')} | `
  select -ExpandProperty VMname | Stop-VM -TurnOff

# Turn off all VMs
Get-VM -VMname * | Select-Object VMname,State,AutomaticStartAction | `
  Where-Object {($_.State -eq 'Running') -and ($_.AutomaticStartAction -eq 'Start')} | `
  select -ExpandProperty VMname | Stop-VM -TurnOff