Restart Citrix Single Session VDA with PowerShell

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# Load Citrix PowerShell Snap-in
asnp citrix*
# Generate file with all the VMs
Get-BrokerMachine -AdminAddress "ddc04.testlab.com:80" | Select-Object -ExpandProperty MachineName | Out-File "C:\temp\vms.txt"
# Path to the text file containing the list of VM names
$vmsFile = "C:\Temp\vms.txt"
# Admin address of the Citrix Delivery Controller
$adminAddress = "ddc04.testlab.com:80"
# Check if the file exists
if (-not (Test-Path $vmsFile)) {
Write-Host "Error: File not found at $vmsFile" -ForegroundColor Red
exit
}
# Read all VM names from the file
$vms = Get-Content -Path $vmsFile
# Ensure the list is not empty
if ($vms.Count -eq 0) {
Write-Host "Error: No VMs found in the file." -ForegroundColor Red
exit
}
# Loop through each VM and log off users, then reboot with a delay of 2 seconds
foreach ($vm in $vms) {
Write-Host "Processing VM: $vm" -ForegroundColor Yellow
try {
# Start logging the operation
$operation = Start-LogHighLevelOperation -AdminAddress $adminAddress -Source "Script" -Text "Log Off User(s) from '$vm'"
# Get active sessions on the machine (omit MaxRecordCount for all sessions)
$sessions = Get-BrokerSession -AdminAddress $adminAddress -Filter {MachineName -eq $vm}
if ($sessions.Count -gt 0) {
# Log off each user session
foreach ($session in $sessions) {
$userName = $session.UserName # Get the username
Write-Host "Logging off user: $userName" -ForegroundColor Yellow
Stop-BrokerSession -AdminAddress $adminAddress -InputObject $session -LoggingId $operation.Id
}
Write-Host "Successfully logged off users from VM: $vm" -ForegroundColor Green
# Add a 10-second delay to ensure the logoff process is completed
Write-Host "Waiting 10 seconds for the logoff process to complete..." -ForegroundColor Yellow
Start-Sleep -Seconds 10
} else {
Write-Host "No active users found on VM: $vm" -ForegroundColor Cyan
}
# Stop logging the operation as successful
Stop-LogHighLevelOperation -AdminAddress $adminAddress -HighLevelOperationId $operation.Id -IsSuccessful $true
# Start logging the reboot operation
$rebootOperation = Start-LogHighLevelOperation -AdminAddress $adminAddress -Source "Script" -Text "Reboot Machine '$vm'"
# Initiate reboot for the machine
New-BrokerHostingPowerAction -Action "Restart" -AdminAddress $adminAddress -MachineName $vm
# Stop logging the reboot operation as successful
Stop-LogHighLevelOperation -AdminAddress $adminAddress -HighLevelOperationId $rebootOperation.Id -IsSuccessful $true
Write-Host "Successfully initiated reboot for VM: $vm" -ForegroundColor Green
} catch {
Write-Host "Failed to log off or reboot VM: $vm. Error: $_" -ForegroundColor Red
}
Start-Sleep -Seconds 1
}
Write-Host "All VMs have been processed." -ForegroundColor Cyan