VDI Quick Tools

# List all profile containers on share
frx list-profiles -filename \\server\share

# Check profile size by user
frx list-profile-size -vol \\server\share\ `
  -username jsmith

# Show current service status
Get-Service frxsvc, frxdrv | Select Name, Status, StartType

# Enable verbose FSLogix logging
reg add HKLM\SOFTWARE\FSLogix\Logging `
  /v LoggingEnabled /t REG_DWORD /d 1 /f
reg add HKLM\SOFTWARE\FSLogix\Logging `
  /v LogLevel /t REG_DWORD /d 4 /f
# Logs: C:\ProgramData\FSLogix\Logs\

# Check Cloud Cache provider health
Get-EventLog -LogName 'Microsoft-FSLogix-Apps/Operational' `
  -Source 'Microsoft-FSLogix-Apps' `
  -EntryType Error,Warning -Newest 50 |
  Select TimeGenerated, EventID, Message

# Check Connection Server domain trusts
vdmadmin -A -getDomains

# List license status
vdmadmin -L

# Check VDM service status
vdmadmin -S -s [CS-FQDN]

# Horizon REST API — pool status (PowerShell)
$cs = "https://cs.corp.com"
$cred = @{ username="admin"; password="pass"; domain="CORP" }
$token = (Invoke-RestMethod -Uri "$cs/rest/login" `
  -Method POST -Body ($cred|ConvertTo-Json) `
  -ContentType "application/json").access_token

$header = @{Authorization="Bearer $token"}
$pools = Invoke-RestMethod `
  -Uri "$cs/rest/inventory/v8/desktop-pools" `
  -Headers $header
$pools | Select displayName, enabled,
  @{N='Provisioned';E={$_.provisioningStatusData.numProvisioned}}

# Load Citrix snap-ins
Add-PSSnapin Citrix* -ErrorAction SilentlyContinue

# Check all unregistered VDAs
Get-BrokerDesktop -Filter {RegistrationState -eq 'Unregistered'} |
  Select MachineName, RegistrationState, LastDeregistrationTime |
  Sort LastDeregistrationTime -Descending

# Check license status
Get-LicInventory | Select PldName, LicensesInUse, LicensesAvailable

# Active session count by delivery group
Get-BrokerDesktopGroup | Select Name,
  @{N='Sessions';E={(Get-BrokerSession -DesktopGroupName $_.Name).Count}},
  TotalDesktops, DesktopsInUse

# Find sessions over 8 hours old
Get-BrokerSession | Where {$_.EstablishmentTime -lt (Get-Date).AddHours(-8)} |
  Select UserName, MachineName, EstablishmentTime, SessionState

# Check AVD session hosts (Az module required)
Get-AzWvdSessionHost -ResourceGroupName "rg-avd" `
  -HostPoolName "hp-prod" |
  Select Name, Status, UpdateState, LastHeartBeat

# Get active sessions count
(Get-AzWvdUserSession -ResourceGroupName "rg-avd" `
  -HostPoolName "hp-prod" -SessionHostName "vm-prod-0").Count

# Log Analytics KQL: FSLogix mount time
AzureDiagnostics
| where Category == "Checkpoint"
| where OperationName == "FSLogix Profile Loaded"
| summarize avg(durationMs) by bin(TimeGenerated, 1h)
| render timechart

# Check autoscale plan status
Get-AzWvdScalingPlan -ResourceGroupName "rg-avd"

# Generate GPO report for logon analysis
gpresult /h "C:\Temp\GPReport.html" /f
Start-Process "C:\Temp\GPReport.html"

# Check GPO processing time (event log)
Get-WinEvent -FilterHashtable @{
  LogName='System'; ProviderName='Microsoft-Windows-GroupPolicy'
  Id=@(8001,8002,8003,8004,8005,8006)} -MaxEvents 20 |
  Select TimeCreated, Id, Message

# Find slow logon scripts
Get-WinEvent -FilterHashtable @{
  LogName='Application'; ProviderName='Userenv'} -MaxEvents 50

# NTP sync check
w32tm /query /status
w32tm /query /peers

# Test all critical VDI ports from VM
$tests = @(
  @{H="cs.corp.com"; P=443; Name="Horizon CS HTTPS"},
  @{H="uag.corp.com"; P=8443; Name="Blast UDP (use UDP test)"},
  @{H="dc01.corp.com"; P=389; Name="LDAP to DC"},
  @{H="storage.file.core.windows.net"; P=445; Name="Azure Files SMB"},
  @{H="ddcserver.corp.com"; P=80; Name="Citrix DDC"}
)
foreach ($t in $tests) {
  $result = Test-NetConnection -ComputerName $t.H -Port $t.P -WarningAction SilentlyContinue
  [PSCustomObject]@{
    Test = $t.Name
    Host = $t.H
    Port = $t.P
    Result = if($result.TcpTestSucceeded){"✅ PASS"}else{"❌ FAIL"}
  }
} | Format-Table -AutoSize