# in separate terminal
$MgmtHosts = @(
    "itdvmbismgmt02.nd.gov",
    "itdvmbismgmt03.nd.gov",
    "itdvmmdnmgmt01.nd.gov",
    "itdvmmdnmgmt02.nd.gov"
)

Connect-ITDvCenter -Credential $PrvCred

# Disable lockdown
ForEach($VMHostName in $MgmtHosts){
    (Get-VMHost $VMHostName | Get-View).ExitLockdownMode()
}

Disconnect-ITDvCenter

########## start from a fresh PowerShell session
# get credentials and connect
ForEach($VMHostName in $MgmtHosts){
    $Creds = $null
    $Creds = Get-ITDPassword -Title $VMHostName -UserName root -Credential $PrvCred
    Connect-VIServer -Server $VMHostName -Credential $Creds
}

# verify direct host vi server connection
$global:DefaultVIServers

# VM array
$VMarray = @(
    "itdvmvc1.nd.gov",
    "itdvmvc2.nd.gov",
    "itdvmvra1.nd.gov",
    "itdvmvra2.nd.gov",
    "itdvmvrsmdn1.nd.gov",
    "itdvmvrsmdn2.nd.gov",
    "itdvmsrm1.nd.gov",
    "itdvmsrm2.nd.gov"
)

# get all VMs
$VMs = Get-VM -Name $VMarray | Sort-Object Name

# shutdown VMs
$VMs | Get-VMGuest | Stop-VMGuest -Confirm:$false

# wait for VMs to power off
Get-VM -Name $VMarray | Sort-Object Name

# take snapshot of all VMs
$VMs | ForEach-Object {$_ | New-Snapshot -Name "Before-VR&SRM 9.0 upgrade"}

# confirm all snapshots were taken
Get-VM -Name $VMarray | Get-Snapshot | Select VM,Name | sort-object VM

# power on all VMs
Get-VM -Name $VMarray  | Start-VM



Disconnect-VIServer -Server * -Confirm:$false

# disconnect all host direct connections
Disconnect-VIServer * -Confirm:$false

# Enable Lockdown
ForEach($VMHostName in $MgmtHosts){
    (Get-VMHost $VMHostName | Get-View).EnterLockdownMode()
}