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Retrieve and Report ESXi VM Health Status Using PowerShell
VMware & vSphereJanuary 6, 2025
This script enables you to retrieve the health status of your virtual machines, providing key insights into their performance and operational status. Monitoring VM health is crucial for proactive management and helps ensure your systems are always running optimally.
powershell
# Load VMware PowerCLI module
Import-Module VMware.PowerCLI -ErrorAction Stop
# Define connection parameters
$esxiHost = "<ESXi_Host>"
$username = "<Your_Username>"
$password = "<Your_Password>"
# Securely convert the password
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force
$credentials = New-Object System.Management.Automation.PSCredential ($username, $securePassword)
# Connect to the ESXi host
Connect-VIServer -Server $esxiHost -Credential $credentials -ErrorAction Stop
# Retrieve all VMs and their health status
$vmList = Get-VM
foreach ($vm in $vmList) {
$status = $vm.ExtensionData.Runtime.PowerState
$health = $vm.ExtensionData.Summary.QuickStats
Write-Host "VM Name: $($vm.Name) - Power State: $status - CPU Usage: $($health.OverallCpuUsage) MHz - Memory Usage: $($health.GuestMemoryUsage) MB"
}
# Disconnect from the ESXi host
Disconnect-VIServer -Server $esxiHost -Confirm:$falseRun it across your fleet
This script runs as-is on a single host. Paste it into ServerEngine to schedule it, run it on a whole server group in parallel, and keep the credentials out of the file — see the scripts documentation and the credential store.
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